./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:30:20,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:20,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:20,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:20,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:20,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:20,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:20,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:20,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:20,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:20,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:20,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:20,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:20,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:20,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:20,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:20,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:20,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:20,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:20,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:20,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:20,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:20,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:20,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:20,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:20,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:20,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:20,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:20,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:20,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:20,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:20,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:20,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:20,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:20,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:20,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:20,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:20,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:20,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:20,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:20,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:20,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:30:20,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:20,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:20,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:20,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:20,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:20,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:20,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:20,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:20,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:20,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:20,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:20,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:20,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:20,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:20,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:20,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:20,262 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:20,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:20,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:20,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:20,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:20,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:20,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:20,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:20,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:20,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:20,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:30:20,266 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:20,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:20,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:20,266 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_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 [2022-11-02 20:30:20,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:20,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:20,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:20,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:20,653 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:20,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2022-11-02 20:30:20,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/data/0c39c6f6e/12eef11d114d444cbee2096d4369069d/FLAGfa7cb2d36 [2022-11-02 20:30:22,137 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:22,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2022-11-02 20:30:22,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/data/0c39c6f6e/12eef11d114d444cbee2096d4369069d/FLAGfa7cb2d36 [2022-11-02 20:30:22,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/data/0c39c6f6e/12eef11d114d444cbee2096d4369069d [2022-11-02 20:30:22,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:22,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:22,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:22,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:22,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:22,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:22" (1/1) ... [2022-11-02 20:30:22,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e5dbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:22, skipping insertion in model container [2022-11-02 20:30:22,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:22" (1/1) ... [2022-11-02 20:30:22,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:22,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:26,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2022-11-02 20:30:26,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:26,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:27,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2022-11-02 20:30:27,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:27,742 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:27,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27 WrapperNode [2022-11-02 20:30:27,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:27,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:27,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:27,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:27,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:27,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,294 INFO L138 Inliner]: procedures = 441, calls = 4362, calls flagged for inlining = 207, calls inlined = 185, statements flattened = 7900 [2022-11-02 20:30:28,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:28,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:28,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:28,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:28,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:28,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:28,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:28,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:28,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (1/1) ... [2022-11-02 20:30:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:28,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:28,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_629288f8-fbb9-441a-be29-3e97f8158cd8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:30:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:30:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2022-11-02 20:30:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2022-11-02 20:30:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2022-11-02 20:30:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2022-11-02 20:30:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:30:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:30:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-11-02 20:30:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-11-02 20:30:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2022-11-02 20:30:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2022-11-02 20:30:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-02 20:30:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-02 20:30:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:30:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:30:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2022-11-02 20:30:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2022-11-02 20:30:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:30:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:30:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2022-11-02 20:30:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2022-11-02 20:30:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2022-11-02 20:30:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2022-11-02 20:30:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2022-11-02 20:30:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2022-11-02 20:30:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2022-11-02 20:30:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2022-11-02 20:30:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2022-11-02 20:30:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2022-11-02 20:30:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2022-11-02 20:30:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2022-11-02 20:30:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2022-11-02 20:30:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2022-11-02 20:30:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2022-11-02 20:30:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2022-11-02 20:30:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-02 20:30:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-02 20:30:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2022-11-02 20:30:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2022-11-02 20:30:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2022-11-02 20:30:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2022-11-02 20:30:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:30:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:30:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:30:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2022-11-02 20:30:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2022-11-02 20:30:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2022-11-02 20:30:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2022-11-02 20:30:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2022-11-02 20:30:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2022-11-02 20:30:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:30:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:30:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:30:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:30:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:30:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2022-11-02 20:30:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2022-11-02 20:30:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-02 20:30:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-02 20:30:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:30:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:30:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-11-02 20:30:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-11-02 20:30:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:30:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:30:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2022-11-02 20:30:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2022-11-02 20:30:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:30:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:30:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:30:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2022-11-02 20:30:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2022-11-02 20:30:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2022-11-02 20:30:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2022-11-02 20:30:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2022-11-02 20:30:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2022-11-02 20:30:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:30:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:30:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:30:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2022-11-02 20:30:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2022-11-02 20:30:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2022-11-02 20:30:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2022-11-02 20:30:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:30:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:30:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2022-11-02 20:30:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2022-11-02 20:30:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:30:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:30:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-02 20:30:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-02 20:30:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:30:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:30:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2022-11-02 20:30:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2022-11-02 20:30:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:30:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2022-11-02 20:30:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2022-11-02 20:30:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2022-11-02 20:30:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2022-11-02 20:30:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2022-11-02 20:30:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2022-11-02 20:30:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2022-11-02 20:30:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2022-11-02 20:30:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2022-11-02 20:30:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2022-11-02 20:30:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:30:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:30:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2022-11-02 20:30:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2022-11-02 20:30:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:30:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:30:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2022-11-02 20:30:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2022-11-02 20:30:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2022-11-02 20:30:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2022-11-02 20:30:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-02 20:30:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-02 20:30:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2022-11-02 20:30:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2022-11-02 20:30:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-02 20:30:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-02 20:30:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-02 20:30:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-02 20:30:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:30:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:30:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-02 20:30:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-02 20:30:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2022-11-02 20:30:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2022-11-02 20:30:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2022-11-02 20:30:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2022-11-02 20:30:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2022-11-02 20:30:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2022-11-02 20:30:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:30:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:30:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:30:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:30:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2022-11-02 20:30:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2022-11-02 20:30:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:30:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:30:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:30:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:30:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2022-11-02 20:30:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2022-11-02 20:30:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2022-11-02 20:30:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2022-11-02 20:30:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2022-11-02 20:30:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2022-11-02 20:30:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-02 20:30:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-02 20:30:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2022-11-02 20:30:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2022-11-02 20:30:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2022-11-02 20:30:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2022-11-02 20:30:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2022-11-02 20:30:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2022-11-02 20:30:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:30:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:30:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 20:30:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 20:30:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2022-11-02 20:30:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2022-11-02 20:30:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2022-11-02 20:30:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2022-11-02 20:30:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2022-11-02 20:30:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2022-11-02 20:30:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:30:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:30:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2022-11-02 20:30:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2022-11-02 20:30:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2022-11-02 20:30:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2022-11-02 20:30:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:30:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:30:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2022-11-02 20:30:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2022-11-02 20:30:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2022-11-02 20:30:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2022-11-02 20:30:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-02 20:30:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-02 20:30:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2022-11-02 20:30:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2022-11-02 20:30:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2022-11-02 20:30:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2022-11-02 20:30:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:30:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:30:29,013 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:30:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:30:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-02 20:30:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-02 20:30:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2022-11-02 20:30:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2022-11-02 20:30:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:30:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:30:29,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:30:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:30:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:30:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:30:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:30:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2022-11-02 20:30:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2022-11-02 20:30:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:30:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:30:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2022-11-02 20:30:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2022-11-02 20:30:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-02 20:30:29,016 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-02 20:30:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2022-11-02 20:30:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2022-11-02 20:30:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2022-11-02 20:30:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2022-11-02 20:30:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2022-11-02 20:30:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2022-11-02 20:30:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2022-11-02 20:30:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2022-11-02 20:30:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2022-11-02 20:30:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2022-11-02 20:30:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2022-11-02 20:30:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2022-11-02 20:30:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:30:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:30:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:30:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:30:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:30:29,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:30:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2022-11-02 20:30:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2022-11-02 20:30:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2022-11-02 20:30:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2022-11-02 20:30:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:30:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:30:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-02 20:30:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-02 20:30:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2022-11-02 20:30:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2022-11-02 20:30:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2022-11-02 20:30:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2022-11-02 20:30:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2022-11-02 20:30:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2022-11-02 20:30:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2022-11-02 20:30:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2022-11-02 20:30:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2022-11-02 20:30:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2022-11-02 20:30:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-02 20:30:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-02 20:30:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2022-11-02 20:30:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2022-11-02 20:30:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:30:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:30:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-02 20:30:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-02 20:30:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2022-11-02 20:30:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2022-11-02 20:30:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2022-11-02 20:30:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2022-11-02 20:30:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:30:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:30:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2022-11-02 20:30:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2022-11-02 20:30:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2022-11-02 20:30:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2022-11-02 20:30:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2022-11-02 20:30:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2022-11-02 20:30:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:30:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:30:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:30,382 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:30,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:30,636 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:30:57,223 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:57,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:57,260 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:30:57,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:57 BoogieIcfgContainer [2022-11-02 20:30:57,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:57,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:57,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:57,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:57,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:22" (1/3) ... [2022-11-02 20:30:57,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dca7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:57, skipping insertion in model container [2022-11-02 20:30:57,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:27" (2/3) ... [2022-11-02 20:30:57,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dca7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:57, skipping insertion in model container [2022-11-02 20:30:57,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:57" (3/3) ... [2022-11-02 20:30:57,286 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2022-11-02 20:30:57,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:57,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:57,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:57,488 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;@3487534e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:57,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 2545 states, 1660 states have (on average 1.2933734939759036) internal successors, (2147), 1736 states have internal predecessors, (2147), 756 states have call successors, (756), 128 states have call predecessors, (756), 127 states have return successors, (746), 723 states have call predecessors, (746), 746 states have call successors, (746) [2022-11-02 20:30:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-02 20:30:57,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:57,564 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:57,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:57,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:57,572 INFO L85 PathProgramCache]: Analyzing trace with hash -410089185, now seen corresponding path program 1 times [2022-11-02 20:30:57,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:57,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801028207] [2022-11-02 20:30:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:57,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:30:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:30:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:30:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:30:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:30:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:30:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:30:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:30:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:30:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:30:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:30:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 20:30:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:30:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-11-02 20:30:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:59,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801028207] [2022-11-02 20:30:59,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801028207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:59,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:59,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:30:59,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876965997] [2022-11-02 20:30:59,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:59,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:30:59,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:59,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:30:59,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:59,484 INFO L87 Difference]: Start difference. First operand has 2545 states, 1660 states have (on average 1.2933734939759036) internal successors, (2147), 1736 states have internal predecessors, (2147), 756 states have call successors, (756), 128 states have call predecessors, (756), 127 states have return successors, (746), 723 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:31:06,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:14,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:17,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:23,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:23,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:23,776 INFO L93 Difference]: Finished difference Result 5616 states and 8417 transitions. [2022-11-02 20:31:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:31:23,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 187 [2022-11-02 20:31:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:23,863 INFO L225 Difference]: With dead ends: 5616 [2022-11-02 20:31:23,863 INFO L226 Difference]: Without dead ends: 3056 [2022-11-02 20:31:23,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:23,953 INFO L413 NwaCegarLoop]: 3480 mSDtfsCounter, 1518 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 1965 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1965 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:23,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 5289 Invalid, 4166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1965 Valid, 2196 Invalid, 5 Unknown, 0 Unchecked, 23.5s Time] [2022-11-02 20:31:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-11-02 20:31:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2526. [2022-11-02 20:31:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1653 states have (on average 1.2855414398064127) internal successors, (2125), 1717 states have internal predecessors, (2125), 746 states have call successors, (746), 127 states have call predecessors, (746), 126 states have return successors, (743), 720 states have call predecessors, (743), 743 states have call successors, (743) [2022-11-02 20:31:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3614 transitions. [2022-11-02 20:31:24,480 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3614 transitions. Word has length 187 [2022-11-02 20:31:24,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:24,481 INFO L495 AbstractCegarLoop]: Abstraction has 2526 states and 3614 transitions. [2022-11-02 20:31:24,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:31:24,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3614 transitions. [2022-11-02 20:31:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-02 20:31:24,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:24,500 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:24,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:31:24,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:24,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:24,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1675900687, now seen corresponding path program 1 times [2022-11-02 20:31:24,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:24,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316373126] [2022-11-02 20:31:24,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:24,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:31:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:31:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:31:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:31:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:31:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:31:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:31:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:31:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:31:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:31:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:31:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 20:31:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:31:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-11-02 20:31:26,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:26,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316373126] [2022-11-02 20:31:26,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316373126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:26,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:26,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:31:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203151563] [2022-11-02 20:31:26,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:26,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:31:26,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:26,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:31:26,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:31:26,011 INFO L87 Difference]: Start difference. First operand 2526 states and 3614 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:31:28,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:32,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:51,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:31:55,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:00,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:03,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:03,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:03,883 INFO L93 Difference]: Finished difference Result 8521 states and 12631 transitions. [2022-11-02 20:32:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:32:03,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 187 [2022-11-02 20:32:03,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:03,959 INFO L225 Difference]: With dead ends: 8521 [2022-11-02 20:32:03,959 INFO L226 Difference]: Without dead ends: 6017 [2022-11-02 20:32:03,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:32:03,998 INFO L413 NwaCegarLoop]: 4075 mSDtfsCounter, 6188 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 6026 mSolverCounterSat, 4584 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6910 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 10615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4584 IncrementalHoareTripleChecker+Valid, 6026 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:03,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6910 Valid, 9304 Invalid, 10615 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4584 Valid, 6026 Invalid, 5 Unknown, 0 Unchecked, 36.6s Time] [2022-11-02 20:32:04,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2022-11-02 20:32:04,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 4957. [2022-11-02 20:32:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4957 states, 3245 states have (on average 1.286286594761171) internal successors, (4174), 3370 states have internal predecessors, (4174), 1461 states have call successors, (1461), 251 states have call predecessors, (1461), 250 states have return successors, (1458), 1412 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-11-02 20:32:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 7093 transitions. [2022-11-02 20:32:04,552 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 7093 transitions. Word has length 187 [2022-11-02 20:32:04,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:04,554 INFO L495 AbstractCegarLoop]: Abstraction has 4957 states and 7093 transitions. [2022-11-02 20:32:04,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:32:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 7093 transitions. [2022-11-02 20:32:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-02 20:32:04,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:04,575 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:32:04,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash -98540556, now seen corresponding path program 1 times [2022-11-02 20:32:04,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:04,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220259325] [2022-11-02 20:32:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:04,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:32:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:32:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:32:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:32:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:32:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:32:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:32:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:32:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:32:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:32:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:32:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-02 20:32:06,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:06,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220259325] [2022-11-02 20:32:06,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220259325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:06,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:06,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:32:06,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633393988] [2022-11-02 20:32:06,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:06,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:32:06,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:06,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:32:06,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:32:06,454 INFO L87 Difference]: Start difference. First operand 4957 states and 7093 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:32:12,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:14,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:26,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:28,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:31,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:33,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:37,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:39,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:41,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:43,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:43,841 INFO L93 Difference]: Finished difference Result 11187 states and 16477 transitions. [2022-11-02 20:32:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:32:43,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 188 [2022-11-02 20:32:43,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:43,915 INFO L225 Difference]: With dead ends: 11187 [2022-11-02 20:32:43,915 INFO L226 Difference]: Without dead ends: 6252 [2022-11-02 20:32:43,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:32:43,957 INFO L413 NwaCegarLoop]: 3746 mSDtfsCounter, 5454 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 2997 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6002 SdHoareTripleChecker+Valid, 9485 SdHoareTripleChecker+Invalid, 7546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2997 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:43,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6002 Valid, 9485 Invalid, 7546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2997 Valid, 4539 Invalid, 10 Unknown, 0 Unchecked, 36.4s Time] [2022-11-02 20:32:43,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6252 states. [2022-11-02 20:32:44,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6252 to 4959. [2022-11-02 20:32:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4959 states, 3247 states have (on average 1.285802279026794) internal successors, (4175), 3372 states have internal predecessors, (4175), 1461 states have call successors, (1461), 251 states have call predecessors, (1461), 250 states have return successors, (1458), 1412 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-11-02 20:32:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 4959 states and 7094 transitions. [2022-11-02 20:32:44,547 INFO L78 Accepts]: Start accepts. Automaton has 4959 states and 7094 transitions. Word has length 188 [2022-11-02 20:32:44,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:44,549 INFO L495 AbstractCegarLoop]: Abstraction has 4959 states and 7094 transitions. [2022-11-02 20:32:44,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:32:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 7094 transitions. [2022-11-02 20:32:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-02 20:32:44,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:44,558 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:32:44,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:32:44,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1245929627, now seen corresponding path program 1 times [2022-11-02 20:32:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:44,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720596394] [2022-11-02 20:32:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:32:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:32:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:32:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:32:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:32:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:32:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:32:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:32:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:32:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:32:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:32:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:32:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-02 20:32:46,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:46,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720596394] [2022-11-02 20:32:46,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720596394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:46,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:46,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:32:46,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730738131] [2022-11-02 20:32:46,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:46,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:32:46,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:32:46,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:32:46,007 INFO L87 Difference]: Start difference. First operand 4959 states and 7094 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:32:49,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:52,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:54,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:04,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:06,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:09,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:11,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:14,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:16,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:18,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:20,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:21,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:21,125 INFO L93 Difference]: Finished difference Result 5989 states and 8964 transitions. [2022-11-02 20:33:21,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:33:21,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 190 [2022-11-02 20:33:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:21,180 INFO L225 Difference]: With dead ends: 5989 [2022-11-02 20:33:21,181 INFO L226 Difference]: Without dead ends: 5986 [2022-11-02 20:33:21,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:33:21,189 INFO L413 NwaCegarLoop]: 3407 mSDtfsCounter, 5096 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 2917 mSolverCounterSat, 2835 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5640 SdHoareTripleChecker+Valid, 5966 SdHoareTripleChecker+Invalid, 5763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2835 IncrementalHoareTripleChecker+Valid, 2917 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:21,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5640 Valid, 5966 Invalid, 5763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2835 Valid, 2917 Invalid, 11 Unknown, 0 Unchecked, 34.3s Time] [2022-11-02 20:33:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5986 states. [2022-11-02 20:33:21,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5986 to 4958. [2022-11-02 20:33:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4958 states, 3247 states have (on average 1.285494302433015) internal successors, (4174), 3371 states have internal predecessors, (4174), 1460 states have call successors, (1460), 251 states have call predecessors, (1460), 250 states have return successors, (1458), 1412 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-11-02 20:33:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 7092 transitions. [2022-11-02 20:33:21,731 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 7092 transitions. Word has length 190 [2022-11-02 20:33:21,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:21,733 INFO L495 AbstractCegarLoop]: Abstraction has 4958 states and 7092 transitions. [2022-11-02 20:33:21,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:33:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 7092 transitions. [2022-11-02 20:33:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-02 20:33:21,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:21,744 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:21,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:33:21,744 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash 29585458, now seen corresponding path program 1 times [2022-11-02 20:33:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:21,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440991325] [2022-11-02 20:33:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:21,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:33:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:33:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:33:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:33:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:33:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:33:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:33:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:33:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:33:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:33:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:33:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:33:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:33:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-02 20:33:23,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:23,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440991325] [2022-11-02 20:33:23,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440991325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:23,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:23,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:33:23,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811259145] [2022-11-02 20:33:23,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:23,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:33:23,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:23,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:33:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:33:23,083 INFO L87 Difference]: Start difference. First operand 4958 states and 7092 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:33:27,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:37,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:39,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:43,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:45,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:45,710 INFO L93 Difference]: Finished difference Result 5988 states and 8962 transitions. [2022-11-02 20:33:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:33:45,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 191 [2022-11-02 20:33:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:45,760 INFO L225 Difference]: With dead ends: 5988 [2022-11-02 20:33:45,760 INFO L226 Difference]: Without dead ends: 5985 [2022-11-02 20:33:45,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:33:45,768 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 5089 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 2841 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 5966 SdHoareTripleChecker+Invalid, 5757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2841 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:45,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5638 Valid, 5966 Invalid, 5757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2841 Valid, 2911 Invalid, 5 Unknown, 0 Unchecked, 21.8s Time] [2022-11-02 20:33:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5985 states. [2022-11-02 20:33:46,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5985 to 4957. [2022-11-02 20:33:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4957 states, 3247 states have (on average 1.2851863258392362) internal successors, (4173), 3370 states have internal predecessors, (4173), 1459 states have call successors, (1459), 251 states have call predecessors, (1459), 250 states have return successors, (1458), 1412 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-11-02 20:33:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 7090 transitions. [2022-11-02 20:33:46,343 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 7090 transitions. Word has length 191 [2022-11-02 20:33:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:46,344 INFO L495 AbstractCegarLoop]: Abstraction has 4957 states and 7090 transitions. [2022-11-02 20:33:46,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:33:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 7090 transitions. [2022-11-02 20:33:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-02 20:33:46,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:46,354 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:46,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:33:46,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:46,356 INFO L85 PathProgramCache]: Analyzing trace with hash 915852296, now seen corresponding path program 1 times [2022-11-02 20:33:46,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:46,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263649820] [2022-11-02 20:33:46,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:33:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:33:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:33:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:33:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:33:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:33:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:33:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:33:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:33:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 20:33:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:33:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:33:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:33:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-02 20:33:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:47,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263649820] [2022-11-02 20:33:47,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263649820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:47,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:47,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:33:47,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201487423] [2022-11-02 20:33:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:47,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:33:47,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:47,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:33:47,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:33:47,609 INFO L87 Difference]: Start difference. First operand 4957 states and 7090 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:33:51,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []