./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-43_2a-drivers--usb--host--ohci-hcd.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/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_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/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_84d3b519-7cb4-4241-8537-5be80eeef4f7/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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- 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 20:36:33,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:33,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:33,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:33,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:33,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:33,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:33,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:33,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:33,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:33,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:33,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:33,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:33,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:33,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:33,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:33,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:33,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:33,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:33,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:33,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:33,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:33,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:33,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:34,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:34,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:34,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:34,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:34,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:34,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:34,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:34,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:34,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:34,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:34,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:34,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:34,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:34,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:34,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:34,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:34,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:34,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:36:34,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:34,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:34,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:34,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:34,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:36:34,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:36:34,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:34,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:34,052 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:34,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:36:34,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:34,055 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:34,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:36:34,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:34,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:34,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:36:34,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:34,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:34,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:36:34,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:36:34,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:34,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:36:34,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:36:34,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:36:34,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:36:34,057 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_84d3b519-7cb4-4241-8537-5be80eeef4f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2022-11-02 20:36:34,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:34,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:34,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:34,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:34,380 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:34,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-11-02 20:36:34,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/data/eff4fc9db/cce5c18093404f9f9c4d0c2c012d4df1/FLAG3412d18e0 [2022-11-02 20:36:35,426 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:35,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-11-02 20:36:35,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/data/eff4fc9db/cce5c18093404f9f9c4d0c2c012d4df1/FLAG3412d18e0 [2022-11-02 20:36:35,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/data/eff4fc9db/cce5c18093404f9f9c4d0c2c012d4df1 [2022-11-02 20:36:35,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:35,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:35,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:35,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:35,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:35,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:35" (1/1) ... [2022-11-02 20:36:35,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b966933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:35, skipping insertion in model container [2022-11-02 20:36:35,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:35" (1/1) ... [2022-11-02 20:36:35,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:36,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:38,250 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_84d3b519-7cb4-4241-8537-5be80eeef4f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-11-02 20:36:38,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:38,350 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:38,959 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_84d3b519-7cb4-4241-8537-5be80eeef4f7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-11-02 20:36:38,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:39,093 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:39,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39 WrapperNode [2022-11-02 20:36:39,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:39,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:39,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:39,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:39,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,457 INFO L138 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8445 [2022-11-02 20:36:39,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:39,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:39,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:39,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:39,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:39,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:40,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:40,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:40,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:40,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:40,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (1/1) ... [2022-11-02 20:36:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d3b519-7cb4-4241-8537-5be80eeef4f7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-11-02 20:36:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-11-02 20:36:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:36:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:36:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-11-02 20:36:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-11-02 20:36:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-11-02 20:36:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-11-02 20:36:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:36:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:36:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:36:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:36:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-02 20:36:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-02 20:36:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-11-02 20:36:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-11-02 20:36:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:36:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:36:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:36:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:36:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-02 20:36:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-02 20:36:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-11-02 20:36:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-11-02 20:36:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-11-02 20:36:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-11-02 20:36:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-11-02 20:36:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-11-02 20:36:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-11-02 20:36:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-11-02 20:36:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-11-02 20:36:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-11-02 20:36:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:36:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:36:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:36:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:36:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-11-02 20:36:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-11-02 20:36:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-11-02 20:36:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-11-02 20:36:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-11-02 20:36:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-11-02 20:36:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:36:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:36:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:36:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:36:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-11-02 20:36:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-11-02 20:36:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:36:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:36:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-11-02 20:36:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-11-02 20:36:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-11-02 20:36:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-11-02 20:36:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-02 20:36:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-02 20:36:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-11-02 20:36:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-11-02 20:36:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:36:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-11-02 20:36:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-11-02 20:36:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:36:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:36:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:36:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-02 20:36:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-02 20:36:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:36:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:36:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-11-02 20:36:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-11-02 20:36:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-11-02 20:36:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-11-02 20:36:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:36:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:36:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-02 20:36:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-02 20:36:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2022-11-02 20:36:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2022-11-02 20:36:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-11-02 20:36:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-11-02 20:36:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:36:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-11-02 20:36:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-11-02 20:36:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:36:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-11-02 20:36:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-11-02 20:36:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-11-02 20:36:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-11-02 20:36:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-02 20:36:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-02 20:36:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:36:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:36:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-02 20:36:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-02 20:36:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:36:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:36:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-11-02 20:36:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-11-02 20:36:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:36:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:36:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2022-11-02 20:36:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2022-11-02 20:36:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-11-02 20:36:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-11-02 20:36:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2022-11-02 20:36:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2022-11-02 20:36:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-11-02 20:36:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-11-02 20:36:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:36:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:36:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-11-02 20:36:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-11-02 20:36:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-02 20:36:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-02 20:36:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-11-02 20:36:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-11-02 20:36:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-02 20:36:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-02 20:36:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:36:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-11-02 20:36:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-11-02 20:36:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:36:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:36:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-11-02 20:36:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-11-02 20:36:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-11-02 20:36:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-11-02 20:36:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-11-02 20:36:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-11-02 20:36:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-11-02 20:36:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-11-02 20:36:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-11-02 20:36:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-11-02 20:36:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-11-02 20:36:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-11-02 20:36:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-11-02 20:36:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-11-02 20:36:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-11-02 20:36:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-11-02 20:36:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:36:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:36:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-11-02 20:36:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-11-02 20:36:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-11-02 20:36:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-11-02 20:36:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-02 20:36:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-02 20:36:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:36:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:36:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-11-02 20:36:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-11-02 20:36:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-02 20:36:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-02 20:36:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-11-02 20:36:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-11-02 20:36:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:36:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-11-02 20:36:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-11-02 20:36:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:36:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:36:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:36:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:36:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-02 20:36:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-02 20:36:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:36:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:36:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2022-11-02 20:36:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2022-11-02 20:36:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-11-02 20:36:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-11-02 20:36:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:36:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-02 20:36:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-02 20:36:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-11-02 20:36:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-11-02 20:36:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:36:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:36:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:36:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:36:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:36:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-11-02 20:36:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-11-02 20:36:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-02 20:36:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-02 20:36:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:36:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:36:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:36:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-11-02 20:36:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-11-02 20:36:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-11-02 20:36:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-11-02 20:36:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-11-02 20:36:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-11-02 20:36:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-11-02 20:36:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-11-02 20:36:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:36:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:36:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2022-11-02 20:36:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2022-11-02 20:36:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-11-02 20:36:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-11-02 20:36:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-02 20:36:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-02 20:36:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:36:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:36:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-11-02 20:36:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-11-02 20:36:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-11-02 20:36:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-11-02 20:36:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 20:36:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 20:36:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-11-02 20:36:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-11-02 20:36:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-11-02 20:36:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-11-02 20:36:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-11-02 20:36:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-11-02 20:36:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-11-02 20:36:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-11-02 20:36:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-11-02 20:36:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-11-02 20:36:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-11-02 20:36:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-11-02 20:36:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:36:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:36:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:36:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:36:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-11-02 20:36:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-11-02 20:36:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:36:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:36:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-11-02 20:36:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-11-02 20:36:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-11-02 20:36:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-11-02 20:36:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:36:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:36:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-11-02 20:36:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-11-02 20:36:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:36:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-02 20:36:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-02 20:36:41,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:41,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:41,929 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:36:50,227 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:50,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:50,259 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 20:36:50,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:50 BoogieIcfgContainer [2022-11-02 20:36:50,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:50,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:36:50,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:36:50,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:36:50,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:36:35" (1/3) ... [2022-11-02 20:36:50,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56774980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:50, skipping insertion in model container [2022-11-02 20:36:50,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:39" (2/3) ... [2022-11-02 20:36:50,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56774980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:50, skipping insertion in model container [2022-11-02 20:36:50,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:50" (3/3) ... [2022-11-02 20:36:50,276 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-11-02 20:36:50,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:36:50,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:36:50,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:36:50,425 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;@2a3aaf93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:36:50,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:36:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) [2022-11-02 20:36:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-02 20:36:50,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:50,473 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:50,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:50,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:50,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1446211571, now seen corresponding path program 1 times [2022-11-02 20:36:50,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:50,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070499764] [2022-11-02 20:36:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:50,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:36:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:36:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:36:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:36:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:36:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:36:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:36:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:36:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:36:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:36:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:36:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:36:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:36:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:36:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:36:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:36:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:36:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:36:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:36:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:36:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:36:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:36:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:36:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:36:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:36:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:36:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:36:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-11-02 20:36:52,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:52,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070499764] [2022-11-02 20:36:52,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070499764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:52,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:52,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:52,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516845126] [2022-11-02 20:36:52,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:52,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:36:52,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:52,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:36:52,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:36:52,731 INFO L87 Difference]: Start difference. First operand has 2927 states, 2055 states have (on average 1.3858880778588807) internal successors, (2848), 2125 states have internal predecessors, (2848), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-02 20:37:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:05,544 INFO L93 Difference]: Finished difference Result 6243 states and 9497 transitions. [2022-11-02 20:37:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:37:05,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 341 [2022-11-02 20:37:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:05,588 INFO L225 Difference]: With dead ends: 6243 [2022-11-02 20:37:05,588 INFO L226 Difference]: Without dead ends: 3303 [2022-11-02 20:37:05,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:05,612 INFO L413 NwaCegarLoop]: 4179 mSDtfsCounter, 1418 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 3969 mSolverCounterSat, 1854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 9876 SdHoareTripleChecker+Invalid, 5823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1854 IncrementalHoareTripleChecker+Valid, 3969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:05,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 9876 Invalid, 5823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1854 Valid, 3969 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-11-02 20:37:05,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2022-11-02 20:37:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2897. [2022-11-02 20:37:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2036 states have (on average 1.382121807465619) internal successors, (2814), 2097 states have internal predecessors, (2814), 746 states have call successors, (746), 115 states have call predecessors, (746), 114 states have return successors, (745), 738 states have call predecessors, (745), 745 states have call successors, (745) [2022-11-02 20:37:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 4305 transitions. [2022-11-02 20:37:05,854 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 4305 transitions. Word has length 341 [2022-11-02 20:37:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:05,855 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 4305 transitions. [2022-11-02 20:37:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-02 20:37:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 4305 transitions. [2022-11-02 20:37:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-02 20:37:05,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:05,864 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:05,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:37:05,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:05,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1653318689, now seen corresponding path program 1 times [2022-11-02 20:37:05,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:05,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597699014] [2022-11-02 20:37:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:37:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:37:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:37:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:37:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:37:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:37:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:37:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:37:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:37:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:37:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:37:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:37:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:37:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:37:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:37:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:37:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:37:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:37:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:37:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:37:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:37:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:37:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:37:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:37:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:37:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-11-02 20:37:07,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:07,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597699014] [2022-11-02 20:37:07,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597699014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:07,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:07,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:37:07,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971256714] [2022-11-02 20:37:07,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:07,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:37:07,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:07,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:37:07,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:07,268 INFO L87 Difference]: Start difference. First operand 2897 states and 4305 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:20,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:20,850 INFO L93 Difference]: Finished difference Result 9355 states and 14075 transitions. [2022-11-02 20:37:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:37:20,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 341 [2022-11-02 20:37:20,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:20,907 INFO L225 Difference]: With dead ends: 9355 [2022-11-02 20:37:20,907 INFO L226 Difference]: Without dead ends: 6517 [2022-11-02 20:37:20,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:37:20,927 INFO L413 NwaCegarLoop]: 4784 mSDtfsCounter, 8372 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 6107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8980 SdHoareTripleChecker+Valid, 10331 SdHoareTripleChecker+Invalid, 9920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6107 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:20,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8980 Valid, 10331 Invalid, 9920 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6107 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-11-02 20:37:20,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2022-11-02 20:37:21,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 5703. [2022-11-02 20:37:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 4016 states have (on average 1.384711155378486) internal successors, (5561), 4139 states have internal predecessors, (5561), 1459 states have call successors, (1459), 228 states have call predecessors, (1459), 227 states have return successors, (1458), 1443 states have call predecessors, (1458), 1458 states have call successors, (1458) [2022-11-02 20:37:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 8478 transitions. [2022-11-02 20:37:21,347 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 8478 transitions. Word has length 341 [2022-11-02 20:37:21,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:21,349 INFO L495 AbstractCegarLoop]: Abstraction has 5703 states and 8478 transitions. [2022-11-02 20:37:21,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 8478 transitions. [2022-11-02 20:37:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-02 20:37:21,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:21,358 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:21,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:37:21,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:21,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:21,360 INFO L85 PathProgramCache]: Analyzing trace with hash -196395888, now seen corresponding path program 1 times [2022-11-02 20:37:21,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:21,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494024251] [2022-11-02 20:37:21,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:37:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:37:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:37:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:37:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:37:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:37:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:37:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:37:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:37:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:37:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:37:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:37:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:37:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:37:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:37:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:37:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:37:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:37:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:37:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:37:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:37:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:37:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:37:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:37:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:37:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-11-02 20:37:22,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:22,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494024251] [2022-11-02 20:37:22,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494024251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:22,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:22,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:37:22,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617762082] [2022-11-02 20:37:22,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:22,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:37:22,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:22,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:37:22,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:22,643 INFO L87 Difference]: Start difference. First operand 5703 states and 8478 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:37,412 INFO L93 Difference]: Finished difference Result 18549 states and 27890 transitions. [2022-11-02 20:37:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:37:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 344 [2022-11-02 20:37:37,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:37,498 INFO L225 Difference]: With dead ends: 18549 [2022-11-02 20:37:37,499 INFO L226 Difference]: Without dead ends: 12905 [2022-11-02 20:37:37,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:37:37,533 INFO L413 NwaCegarLoop]: 4786 mSDtfsCounter, 7457 mSDsluCounter, 7383 mSDsCounter, 0 mSdLazyCounter, 5459 mSolverCounterSat, 4348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8069 SdHoareTripleChecker+Valid, 12169 SdHoareTripleChecker+Invalid, 9807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4348 IncrementalHoareTripleChecker+Valid, 5459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:37,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8069 Valid, 12169 Invalid, 9807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4348 Valid, 5459 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-11-02 20:37:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12905 states. [2022-11-02 20:37:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12905 to 11283. [2022-11-02 20:37:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11283 states, 7952 states have (on average 1.385814889336016) internal successors, (11020), 8199 states have internal predecessors, (11020), 2877 states have call successors, (2877), 454 states have call predecessors, (2877), 453 states have return successors, (2876), 2845 states have call predecessors, (2876), 2876 states have call successors, (2876) [2022-11-02 20:37:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11283 states to 11283 states and 16773 transitions. [2022-11-02 20:37:38,215 INFO L78 Accepts]: Start accepts. Automaton has 11283 states and 16773 transitions. Word has length 344 [2022-11-02 20:37:38,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:38,220 INFO L495 AbstractCegarLoop]: Abstraction has 11283 states and 16773 transitions. [2022-11-02 20:37:38,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11283 states and 16773 transitions. [2022-11-02 20:37:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-02 20:37:38,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:38,229 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:38,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:37:38,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:38,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1017833455, now seen corresponding path program 1 times [2022-11-02 20:37:38,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:38,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034263240] [2022-11-02 20:37:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:37:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:37:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:37:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:37:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:37:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:37:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:37:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:37:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:37:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:37:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:37:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:37:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:37:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:37:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:37:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:37:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:37:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:37:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:37:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:37:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:37:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:37:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:37:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:37:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:37:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-11-02 20:37:39,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:39,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034263240] [2022-11-02 20:37:39,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034263240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:39,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:39,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:37:39,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811008741] [2022-11-02 20:37:39,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:39,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:37:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:39,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:37:39,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:39,351 INFO L87 Difference]: Start difference. First operand 11283 states and 16773 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:58,353 INFO L93 Difference]: Finished difference Result 36490 states and 54849 transitions. [2022-11-02 20:37:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:37:58,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 346 [2022-11-02 20:37:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:58,516 INFO L225 Difference]: With dead ends: 36490 [2022-11-02 20:37:58,516 INFO L226 Difference]: Without dead ends: 25266 [2022-11-02 20:37:58,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:37:58,568 INFO L413 NwaCegarLoop]: 5039 mSDtfsCounter, 6298 mSDsluCounter, 9559 mSDsCounter, 0 mSdLazyCounter, 7372 mSolverCounterSat, 3978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6909 SdHoareTripleChecker+Valid, 14598 SdHoareTripleChecker+Invalid, 11350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3978 IncrementalHoareTripleChecker+Valid, 7372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:58,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6909 Valid, 14598 Invalid, 11350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3978 Valid, 7372 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2022-11-02 20:37:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25266 states. [2022-11-02 20:37:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25266 to 22164. [2022-11-02 20:37:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22164 states, 15623 states have (on average 1.3867375024003072) internal successors, (21665), 16111 states have internal predecessors, (21665), 5647 states have call successors, (5647), 894 states have call predecessors, (5647), 893 states have return successors, (5646), 5587 states have call predecessors, (5646), 5646 states have call successors, (5646) [2022-11-02 20:37:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22164 states to 22164 states and 32958 transitions. [2022-11-02 20:37:59,837 INFO L78 Accepts]: Start accepts. Automaton has 22164 states and 32958 transitions. Word has length 346 [2022-11-02 20:37:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:59,838 INFO L495 AbstractCegarLoop]: Abstraction has 22164 states and 32958 transitions. [2022-11-02 20:37:59,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-02 20:37:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22164 states and 32958 transitions. [2022-11-02 20:37:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-02 20:37:59,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:59,848 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:59,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:37:59,848 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:59,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1534667843, now seen corresponding path program 1 times [2022-11-02 20:37:59,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:59,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263618286] [2022-11-02 20:37:59,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:38:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:38:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:38:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:38:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:38:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:38:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:38:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:38:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:38:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:38:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:38:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:38:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:38:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:38:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:38:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:38:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:38:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:38:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:38:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:38:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:38:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:38:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:38:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-02 20:38:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-02 20:38:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-11-02 20:38:01,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:01,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263618286] [2022-11-02 20:38:01,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263618286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:01,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:01,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:38:01,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355488990] [2022-11-02 20:38:01,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:01,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:01,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:01,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:01,047 INFO L87 Difference]: Start difference. First operand 22164 states and 32958 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 20:38:19,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:19,315 INFO L93 Difference]: Finished difference Result 68751 states and 102961 transitions. [2022-11-02 20:38:19,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:38:19,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 362 [2022-11-02 20:38:19,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:19,619 INFO L225 Difference]: With dead ends: 68751 [2022-11-02 20:38:19,619 INFO L226 Difference]: Without dead ends: 46656 [2022-11-02 20:38:19,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:38:19,727 INFO L413 NwaCegarLoop]: 4714 mSDtfsCounter, 8959 mSDsluCounter, 5120 mSDsCounter, 0 mSdLazyCounter, 7709 mSolverCounterSat, 7698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9554 SdHoareTripleChecker+Valid, 9834 SdHoareTripleChecker+Invalid, 15407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7698 IncrementalHoareTripleChecker+Valid, 7709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:19,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9554 Valid, 9834 Invalid, 15407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7698 Valid, 7709 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2022-11-02 20:38:19,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46656 states. [2022-11-02 20:38:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46656 to 37121. [2022-11-02 20:38:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37121 states, 26210 states have (on average 1.3782525753529187) internal successors, (36124), 26979 states have internal predecessors, (36124), 9284 states have call successors, (9284), 1627 states have call predecessors, (9284), 1626 states have return successors, (9283), 9196 states have call predecessors, (9283), 9283 states have call successors, (9283) [2022-11-02 20:38:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37121 states to 37121 states and 54691 transitions. [2022-11-02 20:38:22,561 INFO L78 Accepts]: Start accepts. Automaton has 37121 states and 54691 transitions. Word has length 362 [2022-11-02 20:38:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:22,577 INFO L495 AbstractCegarLoop]: Abstraction has 37121 states and 54691 transitions. [2022-11-02 20:38:22,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 20:38:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 37121 states and 54691 transitions. [2022-11-02 20:38:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-11-02 20:38:22,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:22,599 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:22,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:38:22,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:22,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash 165239219, now seen corresponding path program 1 times [2022-11-02 20:38:22,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:22,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633087922] [2022-11-02 20:38:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:38:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:38:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:38:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:38:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:38:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:38:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:38:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:38:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:38:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:38:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:38:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:38:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:38:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:38:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:38:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:38:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:38:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:38:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:38:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:38:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:38:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:38:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:38:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-11-02 20:38:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-02 20:38:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-02 20:38:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-02 20:38:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-02 20:38:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-02 20:38:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-02 20:38:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-11-02 20:38:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-11-02 20:38:24,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:24,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633087922] [2022-11-02 20:38:24,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633087922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:24,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:24,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:38:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242363523] [2022-11-02 20:38:24,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:24,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:24,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:24,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:24,386 INFO L87 Difference]: Start difference. First operand 37121 states and 54691 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 20:38:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:37,582 INFO L93 Difference]: Finished difference Result 79299 states and 117727 transitions. [2022-11-02 20:38:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:38:37,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 486 [2022-11-02 20:38:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:37,977 INFO L225 Difference]: With dead ends: 79299 [2022-11-02 20:38:37,977 INFO L226 Difference]: Without dead ends: 42203 [2022-11-02 20:38:38,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:38:38,114 INFO L413 NwaCegarLoop]: 4157 mSDtfsCounter, 1864 mSDsluCounter, 10615 mSDsCounter, 0 mSdLazyCounter, 5275 mSolverCounterSat, 1945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 14772 SdHoareTripleChecker+Invalid, 7220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1945 IncrementalHoareTripleChecker+Valid, 5275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:38,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 14772 Invalid, 7220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1945 Valid, 5275 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-02 20:38:38,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42203 states. [2022-11-02 20:38:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42203 to 37121. [2022-11-02 20:38:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37121 states, 26210 states have (on average 1.3776421213277374) internal successors, (36108), 26979 states have internal predecessors, (36108), 9284 states have call successors, (9284), 1627 states have call predecessors, (9284), 1626 states have return successors, (9283), 9196 states have call predecessors, (9283), 9283 states have call successors, (9283) [2022-11-02 20:38:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37121 states to 37121 states and 54675 transitions. [2022-11-02 20:38:40,779 INFO L78 Accepts]: Start accepts. Automaton has 37121 states and 54675 transitions. Word has length 486 [2022-11-02 20:38:40,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:40,781 INFO L495 AbstractCegarLoop]: Abstraction has 37121 states and 54675 transitions. [2022-11-02 20:38:40,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 20:38:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 37121 states and 54675 transitions. [2022-11-02 20:38:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-11-02 20:38:40,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:40,797 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:40,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:38:40,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1299384670, now seen corresponding path program 1 times [2022-11-02 20:38:40,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:40,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396518299] [2022-11-02 20:38:40,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:38:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:38:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:38:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:38:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:38:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:38:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:38:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:38:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:38:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:38:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:38:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:38:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:38:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:38:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:38:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:38:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:38:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:38:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:38:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:38:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:38:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:38:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:38:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 20:38:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-02 20:38:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:38:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-02 20:38:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-02 20:38:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-02 20:38:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-02 20:38:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-02 20:38:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-02 20:38:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-11-02 20:38:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-02 20:38:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2986 trivial. 0 not checked. [2022-11-02 20:38:42,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:42,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396518299] [2022-11-02 20:38:42,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396518299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:42,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:38:42,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779707908] [2022-11-02 20:38:42,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:42,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:42,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:42,497 INFO L87 Difference]: Start difference. First operand 37121 states and 54675 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 20:39:00,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:00,697 INFO L93 Difference]: Finished difference Result 53710 states and 80247 transitions. [2022-11-02 20:39:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:39:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 508 [2022-11-02 20:39:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:01,034 INFO L225 Difference]: With dead ends: 53710 [2022-11-02 20:39:01,034 INFO L226 Difference]: Without dead ends: 53707 [2022-11-02 20:39:01,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:39:01,069 INFO L413 NwaCegarLoop]: 4817 mSDtfsCounter, 3894 mSDsluCounter, 11290 mSDsCounter, 0 mSdLazyCounter, 6991 mSolverCounterSat, 2501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4223 SdHoareTripleChecker+Valid, 16107 SdHoareTripleChecker+Invalid, 9492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2501 IncrementalHoareTripleChecker+Valid, 6991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:01,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4223 Valid, 16107 Invalid, 9492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2501 Valid, 6991 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-11-02 20:39:01,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53707 states. [2022-11-02 20:39:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53707 to 44221. [2022-11-02 20:39:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44221 states, 31383 states have (on average 1.3861007551859288) internal successors, (43500), 32198 states have internal predecessors, (43500), 10652 states have call successors, (10652), 2178 states have call predecessors, (10652), 2185 states have return successors, (10675), 10534 states have call predecessors, (10675), 10651 states have call successors, (10675) [2022-11-02 20:39:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44221 states to 44221 states and 64827 transitions. [2022-11-02 20:39:03,387 INFO L78 Accepts]: Start accepts. Automaton has 44221 states and 64827 transitions. Word has length 508 [2022-11-02 20:39:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:03,389 INFO L495 AbstractCegarLoop]: Abstraction has 44221 states and 64827 transitions. [2022-11-02 20:39:03,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-02 20:39:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 44221 states and 64827 transitions. [2022-11-02 20:39:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-11-02 20:39:03,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:03,420 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:03,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:39:03,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash 813565600, now seen corresponding path program 1 times [2022-11-02 20:39:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287357446] [2022-11-02 20:39:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:39:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:39:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:39:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:39:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:39:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:39:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:39:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:39:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:39:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:39:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:39:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:39:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:39:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:39:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:39:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:39:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:39:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-02 20:39:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-02 20:39:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:39:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-02 20:39:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 20:39:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-11-02 20:39:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:39:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-02 20:39:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-02 20:39:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-02 20:39:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-02 20:39:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-02 20:39:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-02 20:39:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-11-02 20:39:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-02 20:39:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-02 20:39:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-11-02 20:39:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2988 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2984 trivial. 0 not checked. [2022-11-02 20:39:07,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:07,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287357446] [2022-11-02 20:39:07,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287357446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:07,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:07,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:39:07,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439271629] [2022-11-02 20:39:07,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:07,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:07,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:07,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:07,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:07,116 INFO L87 Difference]: Start difference. First operand 44221 states and 64827 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-02 20:39:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:49,760 INFO L93 Difference]: Finished difference Result 159725 states and 238187 transitions. [2022-11-02 20:39:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:39:49,761 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (45), 7 states have call predecessors, (45), 3 states have return successors, (42), 4 states have call predecessors, (42), 2 states have call successors, (42) Word has length 529 [2022-11-02 20:39:49,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:50,458 INFO L225 Difference]: With dead ends: 159725 [2022-11-02 20:39:50,459 INFO L226 Difference]: Without dead ends: 115577 [2022-11-02 20:39:50,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2022-11-02 20:39:50,716 INFO L413 NwaCegarLoop]: 4280 mSDtfsCounter, 13236 mSDsluCounter, 14894 mSDsCounter, 0 mSdLazyCounter, 25394 mSolverCounterSat, 10786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14006 SdHoareTripleChecker+Valid, 19174 SdHoareTripleChecker+Invalid, 36180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10786 IncrementalHoareTripleChecker+Valid, 25394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:50,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14006 Valid, 19174 Invalid, 36180 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10786 Valid, 25394 Invalid, 0 Unknown, 0 Unchecked, 36.2s Time] [2022-11-02 20:39:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115577 states.