./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-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a --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 7ed5e925b04af21fe7e1f8d9dfd2ab6bf2fd95270990498828fd7a626dd4adac --- 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-b5237d8 [2022-11-21 16:49:53,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:49:53,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:49:53,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:49:53,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:49:53,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:49:53,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:49:53,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:49:53,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:49:53,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:49:53,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:49:53,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:49:53,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:49:53,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:49:53,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:49:53,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:49:53,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:49:53,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:49:53,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:49:53,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:49:53,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:49:53,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:49:53,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:49:53,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:49:53,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:49:53,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:49:53,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:49:53,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:49:53,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:49:53,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:49:53,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:49:53,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:49:53,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:49:53,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:49:53,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:49:53,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:49:53,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:49:53,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:49:53,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:49:53,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:49:53,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:49:53,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:49:53,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:49:53,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:49:53,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:49:53,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:49:53,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:49:53,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:49:53,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:49:53,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:49:53,902 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:49:53,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:49:53,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:49:53,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:49:53,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:49:53,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:49:53,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:49:53,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:49:53,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:49:53,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:49:53,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:49:53,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:49:53,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:49:53,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:49:53,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:49:53,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:49:53,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:49:53,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:49:53,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:49:53,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:49:53,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:49:53,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:49:53,909 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_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed5e925b04af21fe7e1f8d9dfd2ab6bf2fd95270990498828fd7a626dd4adac [2022-11-21 16:49:54,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:49:54,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:49:54,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:49:54,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:49:54,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:49:54,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-21 16:49:57,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:49:59,143 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:49:59,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-21 16:49:59,250 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/data/52ecfe4b9/78d15a3425994cc9b6c270ec7bb4b61c/FLAGe45ffc4c3 [2022-11-21 16:49:59,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/data/52ecfe4b9/78d15a3425994cc9b6c270ec7bb4b61c [2022-11-21 16:49:59,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:49:59,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:49:59,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:49:59,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:49:59,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:49:59,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:49:59" (1/1) ... [2022-11-21 16:49:59,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b9283f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:49:59, skipping insertion in model container [2022-11-21 16:49:59,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:49:59" (1/1) ... [2022-11-21 16:49:59,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:49:59,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:50:10,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[869223,869236] [2022-11-21 16:50:10,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[869368,869381] [2022-11-21 16:50:10,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:50:10,706 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:50:11,902 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[869223,869236] [2022-11-21 16:50:11,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[869368,869381] [2022-11-21 16:50:11,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:50:12,439 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:50:12,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12 WrapperNode [2022-11-21 16:50:12,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:50:12,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:50:12,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:50:12,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:50:12,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:12,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:13,820 INFO L138 Inliner]: procedures = 844, calls = 7962, calls flagged for inlining = 398, calls inlined = 383, statements flattened = 21340 [2022-11-21 16:50:13,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:50:13,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:50:13,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:50:13,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:50:13,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:13,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:14,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:14,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:50:15,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:50:15,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:50:15,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:50:15,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (1/1) ... [2022-11-21 16:50:15,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:50:15,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:50:15,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:50:15,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:50:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2022-11-21 16:50:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2022-11-21 16:50:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2022-11-21 16:50:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2022-11-21 16:50:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-21 16:50:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-21 16:50:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-21 16:50:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-21 16:50:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2022-11-21 16:50:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2022-11-21 16:50:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-21 16:50:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-21 16:50:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2022-11-21 16:50:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2022-11-21 16:50:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2022-11-21 16:50:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2022-11-21 16:50:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2022-11-21 16:50:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2022-11-21 16:50:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2022-11-21 16:50:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2022-11-21 16:50:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2022-11-21 16:50:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2022-11-21 16:50:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2022-11-21 16:50:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2022-11-21 16:50:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 16:50:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 16:50:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:50:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:50:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-21 16:50:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-21 16:50:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2022-11-21 16:50:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2022-11-21 16:50:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2022-11-21 16:50:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2022-11-21 16:50:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2022-11-21 16:50:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2022-11-21 16:50:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2022-11-21 16:50:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2022-11-21 16:50:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2022-11-21 16:50:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2022-11-21 16:50:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2022-11-21 16:50:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2022-11-21 16:50:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2022-11-21 16:50:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2022-11-21 16:50:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2022-11-21 16:50:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2022-11-21 16:50:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 16:50:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 16:50:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2022-11-21 16:50:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2022-11-21 16:50:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 16:50:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 16:50:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 16:50:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 16:50:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2022-11-21 16:50:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2022-11-21 16:50:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 16:50:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 16:50:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2022-11-21 16:50:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2022-11-21 16:50:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 16:50:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 16:50:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2022-11-21 16:50:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2022-11-21 16:50:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:50:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:50:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-21 16:50:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-21 16:50:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 16:50:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 16:50:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2022-11-21 16:50:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2022-11-21 16:50:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2022-11-21 16:50:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2022-11-21 16:50:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2022-11-21 16:50:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2022-11-21 16:50:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 16:50:15,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 16:50:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2022-11-21 16:50:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2022-11-21 16:50:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:50:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 16:50:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 16:50:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2022-11-21 16:50:15,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2022-11-21 16:50:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-21 16:50:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-21 16:50:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-21 16:50:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-21 16:50:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2022-11-21 16:50:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2022-11-21 16:50:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2022-11-21 16:50:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2022-11-21 16:50:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2022-11-21 16:50:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2022-11-21 16:50:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:50:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:50:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 16:50:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 16:50:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2022-11-21 16:50:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2022-11-21 16:50:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-21 16:50:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-21 16:50:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2022-11-21 16:50:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2022-11-21 16:50:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2022-11-21 16:50:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2022-11-21 16:50:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:50:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-21 16:50:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-21 16:50:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-21 16:50:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-21 16:50:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-21 16:50:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-21 16:50:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-21 16:50:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-21 16:50:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-21 16:50:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-21 16:50:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:50:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 16:50:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 16:50:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2022-11-21 16:50:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2022-11-21 16:50:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:50:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:50:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:50:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:50:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-21 16:50:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-21 16:50:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-21 16:50:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-21 16:50:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 16:50:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 16:50:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 16:50:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 16:50:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-21 16:50:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-21 16:50:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2022-11-21 16:50:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2022-11-21 16:50:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2022-11-21 16:50:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2022-11-21 16:50:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2022-11-21 16:50:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2022-11-21 16:50:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2022-11-21 16:50:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2022-11-21 16:50:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2022-11-21 16:50:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2022-11-21 16:50:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-21 16:50:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-21 16:50:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2022-11-21 16:50:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2022-11-21 16:50:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2022-11-21 16:50:15,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2022-11-21 16:50:15,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 16:50:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 16:50:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2022-11-21 16:50:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2022-11-21 16:50:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2022-11-21 16:50:15,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2022-11-21 16:50:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2022-11-21 16:50:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2022-11-21 16:50:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2022-11-21 16:50:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2022-11-21 16:50:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:50:15,719 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:50:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2022-11-21 16:50:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2022-11-21 16:50:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2022-11-21 16:50:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2022-11-21 16:50:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:50:15,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:50:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2022-11-21 16:50:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2022-11-21 16:50:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2022-11-21 16:50:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2022-11-21 16:50:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 16:50:15,721 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 16:50:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2022-11-21 16:50:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2022-11-21 16:50:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:50:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:50:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 16:50:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2022-11-21 16:50:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2022-11-21 16:50:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 16:50:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 16:50:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:50:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:50:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2022-11-21 16:50:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2022-11-21 16:50:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 16:50:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2022-11-21 16:50:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2022-11-21 16:50:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2022-11-21 16:50:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2022-11-21 16:50:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-21 16:50:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-21 16:50:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2022-11-21 16:50:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2022-11-21 16:50:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2022-11-21 16:50:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2022-11-21 16:50:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-21 16:50:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-21 16:50:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-21 16:50:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-21 16:50:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-21 16:50:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-21 16:50:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:50:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:50:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2022-11-21 16:50:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2022-11-21 16:50:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-21 16:50:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-21 16:50:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:50:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2022-11-21 16:50:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2022-11-21 16:50:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:50:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:50:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2022-11-21 16:50:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2022-11-21 16:50:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:50:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:50:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:50:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2022-11-21 16:50:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2022-11-21 16:50:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2022-11-21 16:50:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2022-11-21 16:50:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2022-11-21 16:50:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2022-11-21 16:50:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2022-11-21 16:50:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2022-11-21 16:50:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:50:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:50:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-21 16:50:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-21 16:50:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-21 16:50:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-21 16:50:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:50:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:50:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2022-11-21 16:50:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2022-11-21 16:50:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2022-11-21 16:50:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2022-11-21 16:50:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2022-11-21 16:50:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2022-11-21 16:50:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:50:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:50:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2022-11-21 16:50:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2022-11-21 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2022-11-21 16:50:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2022-11-21 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2022-11-21 16:50:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2022-11-21 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2022-11-21 16:50:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2022-11-21 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 16:50:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2022-11-21 16:50:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2022-11-21 16:50:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-21 16:50:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-21 16:50:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2022-11-21 16:50:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2022-11-21 16:50:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-21 16:50:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-21 16:50:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2022-11-21 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2022-11-21 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-21 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-21 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-21 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-21 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2022-11-21 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2022-11-21 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2022-11-21 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2022-11-21 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2022-11-21 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2022-11-21 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2022-11-21 16:50:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2022-11-21 16:50:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2022-11-21 16:50:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2022-11-21 16:50:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-21 16:50:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-21 16:50:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2022-11-21 16:50:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2022-11-21 16:50:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2022-11-21 16:50:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2022-11-21 16:50:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2022-11-21 16:50:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2022-11-21 16:50:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2022-11-21 16:50:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2022-11-21 16:50:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 16:50:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 16:50:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2022-11-21 16:50:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2022-11-21 16:50:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2022-11-21 16:50:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2022-11-21 16:50:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2022-11-21 16:50:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2022-11-21 16:50:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:50:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 16:50:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2022-11-21 16:50:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2022-11-21 16:50:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2022-11-21 16:50:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2022-11-21 16:50:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-21 16:50:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-21 16:50:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_115 [2022-11-21 16:50:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_115 [2022-11-21 16:50:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2022-11-21 16:50:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2022-11-21 16:50:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2022-11-21 16:50:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2022-11-21 16:50:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2022-11-21 16:50:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2022-11-21 16:50:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2022-11-21 16:50:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2022-11-21 16:50:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2022-11-21 16:50:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2022-11-21 16:50:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2022-11-21 16:50:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2022-11-21 16:50:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-21 16:50:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-21 16:50:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2022-11-21 16:50:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2022-11-21 16:50:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2022-11-21 16:50:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2022-11-21 16:50:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:50:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:50:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-21 16:50:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-21 16:50:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2022-11-21 16:50:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2022-11-21 16:50:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-21 16:50:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-21 16:50:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:50:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:50:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 16:50:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 16:50:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 16:50:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 16:50:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2022-11-21 16:50:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2022-11-21 16:50:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-21 16:50:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-21 16:50:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 16:50:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 16:50:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-21 16:50:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-21 16:50:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2022-11-21 16:50:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2022-11-21 16:50:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2022-11-21 16:50:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2022-11-21 16:50:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2022-11-21 16:50:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2022-11-21 16:50:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:50:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:50:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2022-11-21 16:50:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2022-11-21 16:50:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2022-11-21 16:50:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2022-11-21 16:50:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2022-11-21 16:50:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2022-11-21 16:50:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 16:50:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 16:50:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 16:50:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 16:50:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:50:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:50:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:50:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:50:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:50:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2022-11-21 16:50:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2022-11-21 16:50:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-21 16:50:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-21 16:50:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 16:50:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 16:50:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2022-11-21 16:50:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2022-11-21 16:50:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:50:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:50:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:50:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 16:50:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 16:50:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2022-11-21 16:50:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2022-11-21 16:50:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2022-11-21 16:50:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2022-11-21 16:50:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2022-11-21 16:50:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2022-11-21 16:50:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-21 16:50:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-21 16:50:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:50:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:50:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:50:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 16:50:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 16:50:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-21 16:50:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-21 16:50:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:50:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:50:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-21 16:50:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-21 16:50:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2022-11-21 16:50:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2022-11-21 16:50:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2022-11-21 16:50:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2022-11-21 16:50:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 16:50:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 16:50:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2022-11-21 16:50:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2022-11-21 16:50:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:50:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:50:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 16:50:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 16:50:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2022-11-21 16:50:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2022-11-21 16:50:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2022-11-21 16:50:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2022-11-21 16:50:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2022-11-21 16:50:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2022-11-21 16:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2022-11-21 16:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2022-11-21 16:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2022-11-21 16:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2022-11-21 16:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2022-11-21 16:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2022-11-21 16:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 16:50:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 16:50:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2022-11-21 16:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2022-11-21 16:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-21 16:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-21 16:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-21 16:50:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-21 16:50:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2022-11-21 16:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2022-11-21 16:50:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2022-11-21 16:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2022-11-21 16:50:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2022-11-21 16:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2022-11-21 16:50:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2022-11-21 16:50:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2022-11-21 16:50:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-21 16:50:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-21 16:50:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-21 16:50:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-21 16:50:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-21 16:50:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-21 16:50:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-21 16:50:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-21 16:50:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2022-11-21 16:50:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2022-11-21 16:50:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 16:50:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 16:50:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2022-11-21 16:50:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2022-11-21 16:50:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2022-11-21 16:50:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2022-11-21 16:50:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-21 16:50:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-21 16:50:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2022-11-21 16:50:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2022-11-21 16:50:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2022-11-21 16:50:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2022-11-21 16:50:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2022-11-21 16:50:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2022-11-21 16:50:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:50:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:50:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:50:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2022-11-21 16:50:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2022-11-21 16:50:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 16:50:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 16:50:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-21 16:50:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-21 16:50:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-21 16:50:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-21 16:50:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-21 16:50:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-21 16:50:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-11-21 16:50:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-11-21 16:50:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2022-11-21 16:50:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2022-11-21 16:50:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-21 16:50:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-21 16:50:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-21 16:50:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-21 16:50:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2022-11-21 16:50:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2022-11-21 16:50:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2022-11-21 16:50:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2022-11-21 16:50:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2022-11-21 16:50:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2022-11-21 16:50:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 16:50:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 16:50:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-21 16:50:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-21 16:50:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:50:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:50:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_113 [2022-11-21 16:50:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_113 [2022-11-21 16:50:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2022-11-21 16:50:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2022-11-21 16:50:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2022-11-21 16:50:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2022-11-21 16:50:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2022-11-21 16:50:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2022-11-21 16:50:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:50:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 16:50:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 16:50:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2022-11-21 16:50:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2022-11-21 16:50:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-21 16:50:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-21 16:50:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-21 16:50:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-21 16:50:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 16:50:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 16:50:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-21 16:50:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-21 16:50:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2022-11-21 16:50:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2022-11-21 16:50:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2022-11-21 16:50:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2022-11-21 16:50:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2022-11-21 16:50:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2022-11-21 16:50:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 16:50:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 16:50:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:50:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:50:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-21 16:50:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-21 16:50:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-21 16:50:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-21 16:50:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2022-11-21 16:50:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2022-11-21 16:50:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:50:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:50:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2022-11-21 16:50:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2022-11-21 16:50:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2022-11-21 16:50:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2022-11-21 16:50:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-21 16:50:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-21 16:50:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 16:50:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 16:50:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 16:50:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 16:50:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-21 16:50:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-21 16:50:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-21 16:50:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-21 16:50:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2022-11-21 16:50:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2022-11-21 16:50:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-21 16:50:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-21 16:50:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2022-11-21 16:50:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2022-11-21 16:50:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-21 16:50:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-21 16:50:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2022-11-21 16:50:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2022-11-21 16:50:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2022-11-21 16:50:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2022-11-21 16:50:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-21 16:50:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-21 16:50:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 16:50:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 16:50:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2022-11-21 16:50:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2022-11-21 16:50:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:50:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:50:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 16:50:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2022-11-21 16:50:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-21 16:50:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 16:50:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-21 16:50:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 16:50:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 16:50:18,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:50:18,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:50:24,353 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:57:36,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-21 16:57:37,066 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:57:37,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:57:37,112 INFO L300 CfgBuilder]: Removed 249 assume(true) statements. [2022-11-21 16:57:37,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:57:37 BoogieIcfgContainer [2022-11-21 16:57:37,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:57:37,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:57:37,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:57:37,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:57:37,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:49:59" (1/3) ... [2022-11-21 16:57:37,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323dc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:57:37, skipping insertion in model container [2022-11-21 16:57:37,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:50:12" (2/3) ... [2022-11-21 16:57:37,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323dc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:57:37, skipping insertion in model container [2022-11-21 16:57:37,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:57:37" (3/3) ... [2022-11-21 16:57:37,135 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-21 16:57:37,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:57:37,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:57:37,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:57:37,382 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;@38634fb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:57:37,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:57:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 6311 states, 4587 states have (on average 1.3675604970569) internal successors, (6273), 4665 states have internal predecessors, (6273), 1437 states have call successors, (1437), 288 states have call predecessors, (1437), 287 states have return successors, (1428), 1408 states have call predecessors, (1428), 1428 states have call successors, (1428) [2022-11-21 16:57:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-21 16:57:37,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:57:37,478 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:57:37,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:57:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:57:37,486 INFO L85 PathProgramCache]: Analyzing trace with hash -323487866, now seen corresponding path program 1 times [2022-11-21 16:57:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:57:37,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338677258] [2022-11-21 16:57:37,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:57:37,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:57:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:57:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:57:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:57:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:57:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:57:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:57:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:57:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:57:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 16:57:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:57:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:57:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:57:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:57:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:57:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:57:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:57:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:57:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:57:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:57:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 16:57:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 16:57:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-21 16:57:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 16:57:41,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:57:41,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338677258] [2022-11-21 16:57:41,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338677258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:57:41,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:57:41,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:57:41,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487241238] [2022-11-21 16:57:41,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:57:41,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:57:41,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:57:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:57:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:57:41,415 INFO L87 Difference]: Start difference. First operand has 6311 states, 4587 states have (on average 1.3675604970569) internal successors, (6273), 4665 states have internal predecessors, (6273), 1437 states have call successors, (1437), 288 states have call predecessors, (1437), 287 states have return successors, (1428), 1408 states have call predecessors, (1428), 1428 states have call successors, (1428) Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:57:43,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:22,885 INFO L93 Difference]: Finished difference Result 14373 states and 21494 transitions. [2022-11-21 16:58:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:58:22,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 251 [2022-11-21 16:58:22,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:23,004 INFO L225 Difference]: With dead ends: 14373 [2022-11-21 16:58:23,004 INFO L226 Difference]: Without dead ends: 8050 [2022-11-21 16:58:23,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:58:23,073 INFO L413 NwaCegarLoop]: 9153 mSDtfsCounter, 4076 mSDsluCounter, 12387 mSDsCounter, 0 mSdLazyCounter, 6850 mSolverCounterSat, 1240 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 21540 SdHoareTripleChecker+Invalid, 8091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 6850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:23,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 21540 Invalid, 8091 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1240 Valid, 6850 Invalid, 1 Unknown, 0 Unchecked, 40.2s Time] [2022-11-21 16:58:23,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8050 states. [2022-11-21 16:58:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8050 to 6241. [2022-11-21 16:58:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4553 states have (on average 1.360860970788491) internal successors, (6196), 4626 states have internal predecessors, (6196), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-21 16:58:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8998 transitions. [2022-11-21 16:58:23,654 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8998 transitions. Word has length 251 [2022-11-21 16:58:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:23,659 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8998 transitions. [2022-11-21 16:58:23,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:58:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8998 transitions. [2022-11-21 16:58:23,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-21 16:58:23,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:23,677 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:23,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:58:23,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:58:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:23,679 INFO L85 PathProgramCache]: Analyzing trace with hash -464198361, now seen corresponding path program 1 times [2022-11-21 16:58:23,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:23,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396418146] [2022-11-21 16:58:23,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:58:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:58:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:58:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:58:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:58:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:58:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:58:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:58:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 16:58:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:58:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:58:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:58:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:58:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:58:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:58:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:58:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:58:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:58:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:58:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 16:58:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 16:58:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 16:58:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 16:58:25,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:25,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396418146] [2022-11-21 16:58:25,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396418146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:25,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:25,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:58:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477976494] [2022-11-21 16:58:25,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:25,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:58:25,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:25,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:58:25,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:58:25,500 INFO L87 Difference]: Start difference. First operand 6241 states and 8998 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:58:27,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:04,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:04,025 INFO L93 Difference]: Finished difference Result 14250 states and 20895 transitions. [2022-11-21 16:59:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:59:04,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 253 [2022-11-21 16:59:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:04,084 INFO L225 Difference]: With dead ends: 14250 [2022-11-21 16:59:04,084 INFO L226 Difference]: Without dead ends: 8052 [2022-11-21 16:59:04,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:59:04,108 INFO L413 NwaCegarLoop]: 9128 mSDtfsCounter, 4022 mSDsluCounter, 12376 mSDsCounter, 0 mSdLazyCounter, 6693 mSolverCounterSat, 1225 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4757 SdHoareTripleChecker+Valid, 21504 SdHoareTripleChecker+Invalid, 7919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 6693 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:04,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4757 Valid, 21504 Invalid, 7919 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1225 Valid, 6693 Invalid, 1 Unknown, 0 Unchecked, 37.8s Time] [2022-11-21 16:59:04,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8052 states. [2022-11-21 16:59:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8052 to 6240. [2022-11-21 16:59:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6240 states, 4552 states have (on average 1.360281195079086) internal successors, (6192), 4625 states have internal predecessors, (6192), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-21 16:59:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6240 states to 6240 states and 8994 transitions. [2022-11-21 16:59:04,379 INFO L78 Accepts]: Start accepts. Automaton has 6240 states and 8994 transitions. Word has length 253 [2022-11-21 16:59:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:04,381 INFO L495 AbstractCegarLoop]: Abstraction has 6240 states and 8994 transitions. [2022-11-21 16:59:04,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:59:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 6240 states and 8994 transitions. [2022-11-21 16:59:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-21 16:59:04,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:04,388 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:04,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:59:04,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:59:04,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash 862633443, now seen corresponding path program 1 times [2022-11-21 16:59:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:04,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592098486] [2022-11-21 16:59:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:59:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:59:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:59:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:59:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:59:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:59:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:59:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:59:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 16:59:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:59:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:59:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:59:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:59:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:59:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:59:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:59:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:59:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:59:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:59:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 16:59:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 16:59:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 16:59:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 16:59:06,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:06,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592098486] [2022-11-21 16:59:06,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592098486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:06,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:06,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:59:06,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217955845] [2022-11-21 16:59:06,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:06,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:59:06,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:06,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:59:06,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:59:06,073 INFO L87 Difference]: Start difference. First operand 6240 states and 8994 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:59:08,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:42,635 INFO L93 Difference]: Finished difference Result 12857 states and 18647 transitions. [2022-11-21 16:59:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:59:42,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 254 [2022-11-21 16:59:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:42,685 INFO L225 Difference]: With dead ends: 12857 [2022-11-21 16:59:42,686 INFO L226 Difference]: Without dead ends: 6660 [2022-11-21 16:59:42,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:59:42,718 INFO L413 NwaCegarLoop]: 6937 mSDtfsCounter, 2385 mSDsluCounter, 10481 mSDsCounter, 0 mSdLazyCounter, 6407 mSolverCounterSat, 1217 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 17418 SdHoareTripleChecker+Invalid, 7625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1217 IncrementalHoareTripleChecker+Valid, 6407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:42,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 17418 Invalid, 7625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1217 Valid, 6407 Invalid, 1 Unknown, 0 Unchecked, 36.0s Time] [2022-11-21 16:59:42,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6660 states. [2022-11-21 16:59:42,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6660 to 6241. [2022-11-21 16:59:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6241 states, 4553 states have (on average 1.3602020645728092) internal successors, (6193), 4626 states have internal predecessors, (6193), 1401 states have call successors, (1401), 285 states have call predecessors, (1401), 285 states have return successors, (1401), 1381 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-21 16:59:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 8995 transitions. [2022-11-21 16:59:43,005 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 8995 transitions. Word has length 254 [2022-11-21 16:59:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:43,006 INFO L495 AbstractCegarLoop]: Abstraction has 6241 states and 8995 transitions. [2022-11-21 16:59:43,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:59:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 8995 transitions. [2022-11-21 16:59:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-21 16:59:43,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:43,014 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:43,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:59:43,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:59:43,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash 470756959, now seen corresponding path program 1 times [2022-11-21 16:59:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:43,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118049482] [2022-11-21 16:59:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:59:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:59:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:59:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:59:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:59:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:59:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:59:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:59:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 16:59:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:59:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:59:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:59:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:59:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:59:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:59:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:59:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:59:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:59:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:59:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 16:59:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 16:59:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 16:59:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 16:59:44,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:44,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118049482] [2022-11-21 16:59:44,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118049482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:59:44,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154883249] [2022-11-21 16:59:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:44,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:59:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:59:44,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:59:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:59:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:48,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 6816 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:59:48,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:59:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 16:59:50,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:59:50,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154883249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:50,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:59:50,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 16:59:50,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36652439] [2022-11-21 16:59:50,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:50,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:59:50,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:59:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:59:50,902 INFO L87 Difference]: Start difference. First operand 6241 states and 8995 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 16:59:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:51,324 INFO L93 Difference]: Finished difference Result 18633 states and 27007 transitions. [2022-11-21 16:59:51,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:59:51,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 256 [2022-11-21 16:59:51,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:51,402 INFO L225 Difference]: With dead ends: 18633 [2022-11-21 16:59:51,402 INFO L226 Difference]: Without dead ends: 12435 [2022-11-21 16:59:51,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:59:51,438 INFO L413 NwaCegarLoop]: 10487 mSDtfsCounter, 8880 mSDsluCounter, 8916 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8880 SdHoareTripleChecker+Valid, 19403 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:51,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8880 Valid, 19403 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:59:51,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12435 states. [2022-11-21 16:59:51,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12435 to 12430. [2022-11-21 16:59:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.361282503305421) internal successors, (12355), 9222 states have internal predecessors, (12355), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 16:59:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17939 transitions. [2022-11-21 16:59:51,988 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17939 transitions. Word has length 256 [2022-11-21 16:59:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:51,992 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17939 transitions. [2022-11-21 16:59:51,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 16:59:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17939 transitions. [2022-11-21 16:59:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-21 16:59:52,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:52,000 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:52,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 16:59:52,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:59:52,215 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:59:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash -833499772, now seen corresponding path program 1 times [2022-11-21 16:59:52,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:52,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988289249] [2022-11-21 16:59:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:59:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:59:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:59:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:59:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:59:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:59:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 16:59:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 16:59:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 16:59:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:59:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:59:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 16:59:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:59:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:59:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 16:59:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:59:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:59:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:59:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:59:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 16:59:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 16:59:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 16:59:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 16:59:54,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:54,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988289249] [2022-11-21 16:59:54,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988289249] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:59:54,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425079306] [2022-11-21 16:59:54,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:54,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:59:54,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:59:54,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:59:54,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:59:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:57,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 6817 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:59:57,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:59:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 16:59:59,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:59:59,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425079306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:59,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:59:59,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 16:59:59,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875919306] [2022-11-21 16:59:59,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:59,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:59:59,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:59,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:59:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:59:59,918 INFO L87 Difference]: Start difference. First operand 12430 states and 17939 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:00,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:00,359 INFO L93 Difference]: Finished difference Result 24817 states and 36088 transitions. [2022-11-21 17:00:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:00,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 257 [2022-11-21 17:00:00,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:00,428 INFO L225 Difference]: With dead ends: 24817 [2022-11-21 17:00:00,429 INFO L226 Difference]: Without dead ends: 12430 [2022-11-21 17:00:00,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:00,487 INFO L413 NwaCegarLoop]: 8975 mSDtfsCounter, 8871 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8871 SdHoareTripleChecker+Valid, 8975 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:00,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8871 Valid, 8975 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:00,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-11-21 17:00:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12430. [2022-11-21 17:00:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.361062141912737) internal successors, (12353), 9222 states have internal predecessors, (12353), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 17:00:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17937 transitions. [2022-11-21 17:00:01,087 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17937 transitions. Word has length 257 [2022-11-21 17:00:01,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:01,088 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17937 transitions. [2022-11-21 17:00:01,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17937 transitions. [2022-11-21 17:00:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-21 17:00:01,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:01,097 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:01,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:01,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:01,319 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:01,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:01,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1798731131, now seen corresponding path program 1 times [2022-11-21 17:00:01,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:01,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592816448] [2022-11-21 17:00:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:03,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:03,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592816448] [2022-11-21 17:00:03,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592816448] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:03,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242151807] [2022-11-21 17:00:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:03,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:03,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:03,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:03,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:00:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:07,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 6818 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:07,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:00:09,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:09,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242151807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:09,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:09,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:00:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150085145] [2022-11-21 17:00:09,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:09,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:09,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:09,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:09,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:09,488 INFO L87 Difference]: Start difference. First operand 12430 states and 17937 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:10,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:10,008 INFO L93 Difference]: Finished difference Result 24817 states and 36084 transitions. [2022-11-21 17:00:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:10,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 258 [2022-11-21 17:00:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:10,081 INFO L225 Difference]: With dead ends: 24817 [2022-11-21 17:00:10,082 INFO L226 Difference]: Without dead ends: 12430 [2022-11-21 17:00:10,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:10,140 INFO L413 NwaCegarLoop]: 8974 mSDtfsCounter, 8869 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8869 SdHoareTripleChecker+Valid, 8974 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:10,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8869 Valid, 8974 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-11-21 17:00:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12430. [2022-11-21 17:00:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.3608417805200528) internal successors, (12351), 9222 states have internal predecessors, (12351), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 17:00:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17935 transitions. [2022-11-21 17:00:10,771 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17935 transitions. Word has length 258 [2022-11-21 17:00:10,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:10,772 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17935 transitions. [2022-11-21 17:00:10,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17935 transitions. [2022-11-21 17:00:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-21 17:00:10,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:10,781 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:10,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:11,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:11,007 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1908027104, now seen corresponding path program 1 times [2022-11-21 17:00:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:11,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289732544] [2022-11-21 17:00:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:12,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:12,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289732544] [2022-11-21 17:00:12,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289732544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:12,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100692384] [2022-11-21 17:00:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:12,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:00:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:16,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 6819 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:16,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:00:18,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:18,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100692384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:18,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:18,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:00:18,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078342349] [2022-11-21 17:00:18,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:18,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:18,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:18,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:18,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:18,958 INFO L87 Difference]: Start difference. First operand 12430 states and 17935 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:19,478 INFO L93 Difference]: Finished difference Result 24817 states and 36080 transitions. [2022-11-21 17:00:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:19,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 259 [2022-11-21 17:00:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:19,546 INFO L225 Difference]: With dead ends: 24817 [2022-11-21 17:00:19,547 INFO L226 Difference]: Without dead ends: 12430 [2022-11-21 17:00:19,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:19,605 INFO L413 NwaCegarLoop]: 8973 mSDtfsCounter, 8867 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8867 SdHoareTripleChecker+Valid, 8973 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:19,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8867 Valid, 8973 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:19,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-11-21 17:00:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12430. [2022-11-21 17:00:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.360621419127369) internal successors, (12349), 9222 states have internal predecessors, (12349), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 17:00:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17933 transitions. [2022-11-21 17:00:20,250 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17933 transitions. Word has length 259 [2022-11-21 17:00:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:20,251 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17933 transitions. [2022-11-21 17:00:20,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17933 transitions. [2022-11-21 17:00:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-21 17:00:20,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:20,260 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:20,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 17:00:20,488 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1115751575, now seen corresponding path program 1 times [2022-11-21 17:00:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:20,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954611902] [2022-11-21 17:00:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:22,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:22,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954611902] [2022-11-21 17:00:22,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954611902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:22,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727848444] [2022-11-21 17:00:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:22,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:22,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:00:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:26,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 6820 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:26,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:00:28,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:28,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727848444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:28,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:28,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:00:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207245739] [2022-11-21 17:00:28,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:28,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:28,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:28,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:28,313 INFO L87 Difference]: Start difference. First operand 12430 states and 17933 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:28,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:28,805 INFO L93 Difference]: Finished difference Result 24817 states and 36076 transitions. [2022-11-21 17:00:28,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:28,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 260 [2022-11-21 17:00:28,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:28,865 INFO L225 Difference]: With dead ends: 24817 [2022-11-21 17:00:28,865 INFO L226 Difference]: Without dead ends: 12430 [2022-11-21 17:00:28,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:28,926 INFO L413 NwaCegarLoop]: 8972 mSDtfsCounter, 8865 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8865 SdHoareTripleChecker+Valid, 8972 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:28,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8865 Valid, 8972 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-11-21 17:00:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12430. [2022-11-21 17:00:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.3604010577346848) internal successors, (12347), 9222 states have internal predecessors, (12347), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 17:00:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17931 transitions. [2022-11-21 17:00:29,781 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17931 transitions. Word has length 260 [2022-11-21 17:00:29,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:29,782 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17931 transitions. [2022-11-21 17:00:29,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17931 transitions. [2022-11-21 17:00:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-21 17:00:29,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:29,791 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:29,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:30,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-21 17:00:30,006 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:30,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:30,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1855436740, now seen corresponding path program 1 times [2022-11-21 17:00:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:30,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335175329] [2022-11-21 17:00:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:31,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:31,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335175329] [2022-11-21 17:00:31,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335175329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:31,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069585305] [2022-11-21 17:00:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:31,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:31,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:31,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:00:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:36,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 6821 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:36,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:00:38,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:38,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069585305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:38,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:38,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:00:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386525542] [2022-11-21 17:00:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:38,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:38,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:38,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:38,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:38,172 INFO L87 Difference]: Start difference. First operand 12430 states and 17931 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:38,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:38,760 INFO L93 Difference]: Finished difference Result 24817 states and 36072 transitions. [2022-11-21 17:00:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:38,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 261 [2022-11-21 17:00:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:38,831 INFO L225 Difference]: With dead ends: 24817 [2022-11-21 17:00:38,831 INFO L226 Difference]: Without dead ends: 12430 [2022-11-21 17:00:38,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:38,896 INFO L413 NwaCegarLoop]: 8971 mSDtfsCounter, 8863 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8863 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:38,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8863 Valid, 8971 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:38,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-11-21 17:00:39,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12430. [2022-11-21 17:00:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12430 states, 9076 states have (on average 1.360180696342001) internal successors, (12345), 9222 states have internal predecessors, (12345), 2782 states have call successors, (2782), 570 states have call predecessors, (2782), 570 states have return successors, (2802), 2741 states have call predecessors, (2802), 2782 states have call successors, (2802) [2022-11-21 17:00:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12430 states to 12430 states and 17929 transitions. [2022-11-21 17:00:39,822 INFO L78 Accepts]: Start accepts. Automaton has 12430 states and 17929 transitions. Word has length 261 [2022-11-21 17:00:39,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:39,823 INFO L495 AbstractCegarLoop]: Abstraction has 12430 states and 17929 transitions. [2022-11-21 17:00:39,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 12430 states and 17929 transitions. [2022-11-21 17:00:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-21 17:00:39,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:39,833 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:39,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:40,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:40,047 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:40,048 INFO L85 PathProgramCache]: Analyzing trace with hash 641522611, now seen corresponding path program 1 times [2022-11-21 17:00:40,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:40,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735001870] [2022-11-21 17:00:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:40,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:41,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:41,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735001870] [2022-11-21 17:00:41,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735001870] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:41,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728375405] [2022-11-21 17:00:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:41,893 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:41,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:00:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:46,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 6822 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:46,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:00:48,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:48,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728375405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:48,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:48,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:00:48,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313028378] [2022-11-21 17:00:48,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:48,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:00:48,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:00:48,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:48,478 INFO L87 Difference]: Start difference. First operand 12430 states and 17929 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:49,601 INFO L93 Difference]: Finished difference Result 37164 states and 54418 transitions. [2022-11-21 17:00:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:00:49,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 262 [2022-11-21 17:00:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:49,728 INFO L225 Difference]: With dead ends: 37164 [2022-11-21 17:00:49,729 INFO L226 Difference]: Without dead ends: 24777 [2022-11-21 17:00:49,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:00:49,799 INFO L413 NwaCegarLoop]: 10684 mSDtfsCounter, 8952 mSDsluCounter, 8993 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8952 SdHoareTripleChecker+Valid, 19677 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:49,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8952 Valid, 19677 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24777 states. [2022-11-21 17:00:51,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24777 to 24769. [2022-11-21 17:00:51,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24769 states, 18095 states have (on average 1.361094224924012) internal successors, (24629), 18390 states have internal predecessors, (24629), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2022-11-21 17:00:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24769 states to 24769 states and 36153 transitions. [2022-11-21 17:00:51,514 INFO L78 Accepts]: Start accepts. Automaton has 24769 states and 36153 transitions. Word has length 262 [2022-11-21 17:00:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:51,515 INFO L495 AbstractCegarLoop]: Abstraction has 24769 states and 36153 transitions. [2022-11-21 17:00:51,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:00:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 24769 states and 36153 transitions. [2022-11-21 17:00:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-21 17:00:51,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:51,524 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:51,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:51,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 17:00:51,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash 852367768, now seen corresponding path program 1 times [2022-11-21 17:00:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:51,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631581767] [2022-11-21 17:00:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:00:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:00:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:00:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:00:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:00:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:00:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:00:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:00:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:00:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:00:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:00:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:00:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:00:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:00:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:00:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:00:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:00:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:00:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:00:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:00:53,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:53,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631581767] [2022-11-21 17:00:53,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631581767] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:53,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510358103] [2022-11-21 17:00:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:53,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:53,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:53,426 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:53,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 17:00:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:57,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 6823 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:00:57,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:01:00,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:01:00,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510358103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:00,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:01:00,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:01:00,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712977187] [2022-11-21 17:01:00,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:00,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:00,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:00,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:00,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:00,084 INFO L87 Difference]: Start difference. First operand 24769 states and 36153 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:01,382 INFO L93 Difference]: Finished difference Result 49495 states and 73016 transitions. [2022-11-21 17:01:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 263 [2022-11-21 17:01:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:01,517 INFO L225 Difference]: With dead ends: 49495 [2022-11-21 17:01:01,517 INFO L226 Difference]: Without dead ends: 24769 [2022-11-21 17:01:01,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:01,650 INFO L413 NwaCegarLoop]: 8970 mSDtfsCounter, 8860 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8860 SdHoareTripleChecker+Valid, 8970 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:01,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8860 Valid, 8970 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:01,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24769 states. [2022-11-21 17:01:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24769 to 24769. [2022-11-21 17:01:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24769 states, 18095 states have (on average 1.3608731693838076) internal successors, (24625), 18390 states have internal predecessors, (24625), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2022-11-21 17:01:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24769 states to 24769 states and 36149 transitions. [2022-11-21 17:01:03,767 INFO L78 Accepts]: Start accepts. Automaton has 24769 states and 36149 transitions. Word has length 263 [2022-11-21 17:01:03,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:03,768 INFO L495 AbstractCegarLoop]: Abstraction has 24769 states and 36149 transitions. [2022-11-21 17:01:03,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24769 states and 36149 transitions. [2022-11-21 17:01:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-21 17:01:03,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:03,787 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:03,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-21 17:01:03,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:03,991 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:03,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:03,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1086850353, now seen corresponding path program 1 times [2022-11-21 17:01:03,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:03,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546878670] [2022-11-21 17:01:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:03,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:01:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:01:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:01:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:01:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:01:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:01:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:01:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:01:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:01:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:01:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:01:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:01:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:01:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:01:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:01:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:01:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:01:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:01:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:01:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:01:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:01:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:01:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:01:05,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546878670] [2022-11-21 17:01:05,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546878670] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308593678] [2022-11-21 17:01:05,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:05,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:05,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:05,627 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:05,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 17:01:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:10,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 6824 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:01:10,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:01:12,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:01:12,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308593678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:12,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:01:12,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:01:12,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612682120] [2022-11-21 17:01:12,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:12,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:12,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:12,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:12,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:12,712 INFO L87 Difference]: Start difference. First operand 24769 states and 36149 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:14,246 INFO L93 Difference]: Finished difference Result 49495 states and 73008 transitions. [2022-11-21 17:01:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:14,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 264 [2022-11-21 17:01:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:14,373 INFO L225 Difference]: With dead ends: 49495 [2022-11-21 17:01:14,373 INFO L226 Difference]: Without dead ends: 24769 [2022-11-21 17:01:14,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:14,484 INFO L413 NwaCegarLoop]: 8969 mSDtfsCounter, 8858 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8858 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:14,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8858 Valid, 8969 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24769 states. [2022-11-21 17:01:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24769 to 24769. [2022-11-21 17:01:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24769 states, 18095 states have (on average 1.3606521138436032) internal successors, (24621), 18390 states have internal predecessors, (24621), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2022-11-21 17:01:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24769 states to 24769 states and 36145 transitions. [2022-11-21 17:01:16,277 INFO L78 Accepts]: Start accepts. Automaton has 24769 states and 36145 transitions. Word has length 264 [2022-11-21 17:01:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:16,278 INFO L495 AbstractCegarLoop]: Abstraction has 24769 states and 36145 transitions. [2022-11-21 17:01:16,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24769 states and 36145 transitions. [2022-11-21 17:01:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-21 17:01:16,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:16,287 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:16,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:01:16,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:16,515 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:16,516 INFO L85 PathProgramCache]: Analyzing trace with hash -958553356, now seen corresponding path program 1 times [2022-11-21 17:01:16,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:16,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223895927] [2022-11-21 17:01:16,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:16,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:01:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:01:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:01:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:01:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:01:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:01:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:01:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:01:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:01:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:01:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:01:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:01:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:01:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:01:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:01:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:01:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:01:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:01:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:01:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:01:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:01:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:01:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:01:18,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:18,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223895927] [2022-11-21 17:01:18,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223895927] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:18,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686165464] [2022-11-21 17:01:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:18,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:18,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:18,312 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:18,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-21 17:01:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:23,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:01:23,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:01:25,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:01:25,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686165464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:25,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:01:25,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:01:25,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040331117] [2022-11-21 17:01:25,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:25,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:25,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:25,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:25,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:25,328 INFO L87 Difference]: Start difference. First operand 24769 states and 36145 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:26,815 INFO L93 Difference]: Finished difference Result 49495 states and 73000 transitions. [2022-11-21 17:01:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 265 [2022-11-21 17:01:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:27,028 INFO L225 Difference]: With dead ends: 49495 [2022-11-21 17:01:27,028 INFO L226 Difference]: Without dead ends: 24769 [2022-11-21 17:01:27,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:27,120 INFO L413 NwaCegarLoop]: 8968 mSDtfsCounter, 8856 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8856 SdHoareTripleChecker+Valid, 8968 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:27,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8856 Valid, 8968 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:27,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24769 states. [2022-11-21 17:01:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24769 to 24769. [2022-11-21 17:01:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24769 states, 18095 states have (on average 1.3604310583033987) internal successors, (24617), 18390 states have internal predecessors, (24617), 5537 states have call successors, (5537), 1139 states have call predecessors, (5537), 1135 states have return successors, (5987), 5445 states have call predecessors, (5987), 5537 states have call successors, (5987) [2022-11-21 17:01:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24769 states to 24769 states and 36141 transitions. [2022-11-21 17:01:28,856 INFO L78 Accepts]: Start accepts. Automaton has 24769 states and 36141 transitions. Word has length 265 [2022-11-21 17:01:28,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:28,857 INFO L495 AbstractCegarLoop]: Abstraction has 24769 states and 36141 transitions. [2022-11-21 17:01:28,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24769 states and 36141 transitions. [2022-11-21 17:01:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-21 17:01:28,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:28,867 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:28,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:01:29,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:29,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:29,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:29,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1161797141, now seen corresponding path program 1 times [2022-11-21 17:01:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:29,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807379217] [2022-11-21 17:01:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:01:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:01:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:01:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 17:01:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 17:01:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 17:01:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 17:01:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:01:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:01:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:01:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 17:01:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:01:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:01:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:01:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:01:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:01:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:01:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 17:01:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:01:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:01:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:01:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:01:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-21 17:01:30,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:30,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807379217] [2022-11-21 17:01:30,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807379217] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:30,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416079080] [2022-11-21 17:01:30,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:30,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:30,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:30,609 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:30,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97ea59-9071-43e4-ae28-8a906c850103/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-21 17:01:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:35,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 6826 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:01:35,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2022-11-21 17:01:37,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:01:37,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416079080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:37,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:01:37,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-21 17:01:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178880895] [2022-11-21 17:01:37,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:37,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:01:37,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:37,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:01:37,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:37,991 INFO L87 Difference]: Start difference. First operand 24769 states and 36141 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:01:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:39,638 INFO L93 Difference]: Finished difference Result 49495 states and 72992 transitions. [2022-11-21 17:01:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:01:39,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 266 [2022-11-21 17:01:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:39,762 INFO L225 Difference]: With dead ends: 49495 [2022-11-21 17:01:39,762 INFO L226 Difference]: Without dead ends: 24769 [2022-11-21 17:01:39,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:01:39,863 INFO L413 NwaCegarLoop]: 8967 mSDtfsCounter, 8854 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8854 SdHoareTripleChecker+Valid, 8967 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:39,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8854 Valid, 8967 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:01:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24769 states.