./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS --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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- 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-4e7fbc6 [2022-11-23 02:31:28,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:31:28,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:31:28,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:31:28,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:31:28,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:31:28,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:31:29,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:31:29,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:31:29,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:31:29,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:31:29,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:31:29,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:31:29,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:31:29,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:31:29,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:31:29,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:31:29,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:31:29,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:31:29,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:31:29,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:31:29,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:31:29,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:31:29,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:31:29,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:31:29,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:31:29,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:31:29,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:31:29,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:31:29,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:31:29,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:31:29,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:31:29,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:31:29,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:31:29,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:31:29,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:31:29,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:31:29,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:31:29,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:31:29,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:31:29,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:31:29,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:31:29,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:31:29,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:31:29,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:31:29,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:31:29,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:31:29,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:31:29,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:31:29,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:31:29,119 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:31:29,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:31:29,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:31:29,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:31:29,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:31:29,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:31:29,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:31:29,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:31:29,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:31:29,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:31:29,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:31:29,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:31:29,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:31:29,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:31:29,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:31:29,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:31:29,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:31:29,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:31:29,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:31:29,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:31:29,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:31:29,125 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:31:29,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:31:29,125 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2022-11-23 02:31:29,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:31:29,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:31:29,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:31:29,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:31:29,461 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:31:29,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-23 02:31:32,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:31:33,427 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:31:33,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-23 02:31:33,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/data/d7725f970/5b0e88e46615477c98ba289309a2b254/FLAGcf630df89 [2022-11-23 02:31:33,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/data/d7725f970/5b0e88e46615477c98ba289309a2b254 [2022-11-23 02:31:33,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:31:33,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:31:33,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:31:33,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:31:33,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:31:33,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:33" (1/1) ... [2022-11-23 02:31:33,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5e129c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:33, skipping insertion in model container [2022-11-23 02:31:33,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:33" (1/1) ... [2022-11-23 02:31:33,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:31:33,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:31:38,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-11-23 02:31:39,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:31:39,093 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:31:39,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2022-11-23 02:31:39,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:31:40,531 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:31:40,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40 WrapperNode [2022-11-23 02:31:40,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:31:40,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:31:40,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:31:40,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:31:40,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:40,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,157 INFO L138 Inliner]: procedures = 567, calls = 7139, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10325 [2022-11-23 02:31:41,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:31:41,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:31:41,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:31:41,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:31:41,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:41,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:42,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:31:42,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:31:42,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:31:42,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:31:42,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (1/1) ... [2022-11-23 02:31:42,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:31:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:31:42,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:31:42,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:31:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 02:31:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 02:31:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 02:31:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 02:31:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 02:31:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 02:31:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 02:31:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-23 02:31:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-23 02:31:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 02:31:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 02:31:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 02:31:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 02:31:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-23 02:31:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-23 02:31:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:31:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:31:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-23 02:31:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-23 02:31:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-23 02:31:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-23 02:31:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-23 02:31:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-23 02:31:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 02:31:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 02:31:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-23 02:31:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-23 02:31:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 02:31:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 02:31:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 02:31:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 02:31:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-23 02:31:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-23 02:31:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-23 02:31:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-23 02:31:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 02:31:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 02:31:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 02:31:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 02:31:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 02:31:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 02:31:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-23 02:31:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-23 02:31:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 02:31:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 02:31:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-23 02:31:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-23 02:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-23 02:31:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-23 02:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-23 02:31:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-23 02:31:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 02:31:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 02:31:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-23 02:31:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-23 02:31:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 02:31:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 02:31:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 02:31:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-23 02:31:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-23 02:31:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 02:31:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 02:31:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 02:31:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 02:31:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:31:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 02:31:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 02:31:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-23 02:31:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-23 02:31:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-23 02:31:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-23 02:31:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-23 02:31:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-23 02:31:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-23 02:31:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-23 02:31:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 02:31:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 02:31:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-23 02:31:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-23 02:31:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-23 02:31:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-23 02:31:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 02:31:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 02:31:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-23 02:31:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-23 02:31:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 02:31:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 02:31:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-23 02:31:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-23 02:31:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 02:31:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 02:31:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 02:31:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 02:31:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 02:31:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 02:31:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 02:31:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-23 02:31:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-23 02:31:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-23 02:31:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-23 02:31:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 02:31:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-23 02:31:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-23 02:31:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-23 02:31:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-23 02:31:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:31:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 02:31:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 02:31:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 02:31:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 02:31:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 02:31:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 02:31:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-23 02:31:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-23 02:31:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-23 02:31:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-23 02:31:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 02:31:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 02:31:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 02:31:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 02:31:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-23 02:31:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-23 02:31:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-23 02:31:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-23 02:31:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 02:31:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 02:31:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 02:31:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 02:31:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-23 02:31:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-23 02:31:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-23 02:31:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-23 02:31:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:31:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-23 02:31:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-23 02:31:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-23 02:31:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-23 02:31:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-23 02:31:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-23 02:31:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:31:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 02:31:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 02:31:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 02:31:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 02:31:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:31:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 02:31:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-23 02:31:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-23 02:31:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-23 02:31:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-23 02:31:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 02:31:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 02:31:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 02:31:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 02:31:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 02:31:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 02:31:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-23 02:31:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-23 02:31:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 02:31:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 02:31:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-23 02:31:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-23 02:31:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 02:31:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 02:31:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-23 02:31:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-23 02:31:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 02:31:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 02:31:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 02:31:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 02:31:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-23 02:31:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-23 02:31:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 02:31:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 02:31:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 02:31:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 02:31:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 02:31:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 02:31:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-23 02:31:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-23 02:31:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:31:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:31:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-23 02:31:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-23 02:31:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 02:31:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 02:31:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-23 02:31:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-23 02:31:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-23 02:31:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-23 02:31:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 02:31:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 02:31:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-23 02:31:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-23 02:31:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:31:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:31:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-23 02:31:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-23 02:31:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 02:31:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 02:31:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 02:31:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 02:31:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-23 02:31:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-23 02:31:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 02:31:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 02:31:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 02:31:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 02:31:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 02:31:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 02:31:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-23 02:31:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-23 02:31:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 02:31:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 02:31:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 02:31:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-23 02:31:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-23 02:31:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-23 02:31:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-23 02:31:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-23 02:31:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-23 02:31:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 02:31:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 02:31:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 02:31:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 02:31:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-23 02:31:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-23 02:31:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 02:31:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 02:31:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 02:31:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 02:31:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-23 02:31:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-23 02:31:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 02:31:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 02:31:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:31:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:31:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-23 02:31:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-23 02:31:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 02:31:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 02:31:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 02:31:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 02:31:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 02:31:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 02:31:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-23 02:31:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-23 02:31:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 02:31:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 02:31:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 02:31:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 02:31:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:31:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 02:31:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 02:31:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 02:31:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 02:31:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 02:31:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 02:31:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:31:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-23 02:31:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-23 02:31:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-23 02:31:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-23 02:31:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 02:31:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 02:31:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:31:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-23 02:31:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-23 02:31:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 02:31:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 02:31:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-23 02:31:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-23 02:31:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 02:31:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 02:31:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 02:31:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 02:31:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-23 02:31:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-23 02:31:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-23 02:31:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-23 02:31:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-23 02:31:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-23 02:31:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 02:31:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 02:31:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 02:31:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 02:31:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 02:31:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 02:31:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 02:31:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 02:31:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-23 02:31:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-23 02:31:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 02:31:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 02:31:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-23 02:31:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-23 02:31:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 02:31:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 02:31:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 02:31:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 02:31:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-23 02:31:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-23 02:31:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:31:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:31:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:31:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:31:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:31:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-23 02:31:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-23 02:31:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 02:31:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 02:31:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 02:31:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 02:31:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-23 02:31:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-23 02:31:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-23 02:31:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-23 02:31:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 02:31:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 02:31:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-23 02:31:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-23 02:31:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 02:31:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 02:31:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 02:31:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 02:31:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-23 02:31:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-23 02:31:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-23 02:31:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-23 02:31:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 02:31:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 02:31:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 02:31:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 02:31:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-23 02:31:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-23 02:31:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-23 02:31:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-23 02:31:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 02:31:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 02:31:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 02:31:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 02:31:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-23 02:31:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-23 02:31:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-23 02:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-23 02:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 02:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 02:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 02:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 02:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-23 02:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-23 02:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-23 02:31:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-23 02:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 02:31:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 02:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-23 02:31:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-23 02:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-23 02:31:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-23 02:31:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-23 02:31:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-23 02:31:43,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:31:43,861 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:32:04,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:32:04,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:32:04,681 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:32:04,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:04 BoogieIcfgContainer [2022-11-23 02:32:04,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:32:04,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:32:04,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:32:04,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:32:04,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:31:33" (1/3) ... [2022-11-23 02:32:04,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f98a172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:04, skipping insertion in model container [2022-11-23 02:32:04,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:40" (2/3) ... [2022-11-23 02:32:04,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f98a172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:04, skipping insertion in model container [2022-11-23 02:32:04,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:04" (3/3) ... [2022-11-23 02:32:04,701 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2022-11-23 02:32:04,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:32:04,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:32:04,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:32:04,862 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;@1d837784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:32:04,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:32:04,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 3084 states, 2163 states have (on average 1.3416551086453998) internal successors, (2902), 2209 states have internal predecessors, (2902), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) [2022-11-23 02:32:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 02:32:04,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:32:04,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:32:04,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:32:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:32:04,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1019636306, now seen corresponding path program 1 times [2022-11-23 02:32:04,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:32:04,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670159249] [2022-11-23 02:32:04,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:32:04,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:32:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:32:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:32:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:32:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:32:06,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670159249] [2022-11-23 02:32:06,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670159249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:32:06,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:32:06,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:32:06,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374485119] [2022-11-23 02:32:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:32:06,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:32:06,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:32:06,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:32:06,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:32:06,324 INFO L87 Difference]: Start difference. First operand has 3084 states, 2163 states have (on average 1.3416551086453998) internal successors, (2902), 2209 states have internal predecessors, (2902), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:32:19,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:21,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:23,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:27,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:37,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:40,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:32:40,238 INFO L93 Difference]: Finished difference Result 8854 states and 12782 transitions. [2022-11-23 02:32:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:32:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-11-23 02:32:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:32:40,310 INFO L225 Difference]: With dead ends: 8854 [2022-11-23 02:32:40,310 INFO L226 Difference]: Without dead ends: 5757 [2022-11-23 02:32:40,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:32:40,336 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 7592 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 7698 mSolverCounterSat, 2563 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8269 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 10264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2563 IncrementalHoareTripleChecker+Valid, 7698 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-11-23 02:32:40,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8269 Valid, 2077 Invalid, 10264 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2563 Valid, 7698 Invalid, 3 Unknown, 0 Unchecked, 32.6s Time] [2022-11-23 02:32:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2022-11-23 02:32:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 5378. [2022-11-23 02:32:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5378 states, 3816 states have (on average 1.3425052410901468) internal successors, (5123), 3896 states have internal predecessors, (5123), 1259 states have call successors, (1259), 296 states have call predecessors, (1259), 302 states have return successors, (1269), 1246 states have call predecessors, (1269), 1254 states have call successors, (1269) [2022-11-23 02:32:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5378 states to 5378 states and 7651 transitions. [2022-11-23 02:32:40,787 INFO L78 Accepts]: Start accepts. Automaton has 5378 states and 7651 transitions. Word has length 17 [2022-11-23 02:32:40,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:32:40,787 INFO L495 AbstractCegarLoop]: Abstraction has 5378 states and 7651 transitions. [2022-11-23 02:32:40,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:32:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5378 states and 7651 transitions. [2022-11-23 02:32:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 02:32:40,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:32:40,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:32:40,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:32:40,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:32:40,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:32:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1546299368, now seen corresponding path program 1 times [2022-11-23 02:32:40,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:32:40,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840721253] [2022-11-23 02:32:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:32:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:32:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:32:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:32:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:32:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:32:41,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:32:41,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840721253] [2022-11-23 02:32:41,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840721253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:32:41,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:32:41,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:32:41,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992642574] [2022-11-23 02:32:41,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:32:41,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:32:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:32:41,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:32:41,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:32:41,723 INFO L87 Difference]: Start difference. First operand 5378 states and 7651 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:32:54,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:56,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:32:59,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:11,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:14,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:33:14,319 INFO L93 Difference]: Finished difference Result 10733 states and 15306 transitions. [2022-11-23 02:33:14,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:33:14,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-23 02:33:14,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:33:14,396 INFO L225 Difference]: With dead ends: 10733 [2022-11-23 02:33:14,397 INFO L226 Difference]: Without dead ends: 10729 [2022-11-23 02:33:14,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:33:14,405 INFO L413 NwaCegarLoop]: 1249 mSDtfsCounter, 7572 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 9008 mSolverCounterSat, 2527 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8332 SdHoareTripleChecker+Valid, 2787 SdHoareTripleChecker+Invalid, 11537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2527 IncrementalHoareTripleChecker+Valid, 9008 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:33:14,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8332 Valid, 2787 Invalid, 11537 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2527 Valid, 9008 Invalid, 2 Unknown, 0 Unchecked, 31.4s Time] [2022-11-23 02:33:14,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10729 states. [2022-11-23 02:33:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10729 to 10402. [2022-11-23 02:33:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10402 states, 7352 states have (on average 1.3354189336235038) internal successors, (9818), 7503 states have internal predecessors, (9818), 2455 states have call successors, (2455), 574 states have call predecessors, (2455), 594 states have return successors, (2534), 2440 states have call predecessors, (2534), 2449 states have call successors, (2534) [2022-11-23 02:33:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10402 states to 10402 states and 14807 transitions. [2022-11-23 02:33:15,231 INFO L78 Accepts]: Start accepts. Automaton has 10402 states and 14807 transitions. Word has length 18 [2022-11-23 02:33:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:33:15,232 INFO L495 AbstractCegarLoop]: Abstraction has 10402 states and 14807 transitions. [2022-11-23 02:33:15,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:33:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 10402 states and 14807 transitions. [2022-11-23 02:33:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 02:33:15,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:33:15,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:33:15,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:33:15,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:33:15,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:33:15,240 INFO L85 PathProgramCache]: Analyzing trace with hash -692980239, now seen corresponding path program 1 times [2022-11-23 02:33:15,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:33:15,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887049394] [2022-11-23 02:33:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:33:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:33:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:33:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:33:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:33:15,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:33:15,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887049394] [2022-11-23 02:33:15,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887049394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:33:15,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:33:15,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:33:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495345818] [2022-11-23 02:33:15,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:33:15,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:33:15,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:33:15,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:33:15,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:33:15,925 INFO L87 Difference]: Start difference. First operand 10402 states and 14807 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:33:27,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:29,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:31,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:33:44,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:33:44,305 INFO L93 Difference]: Finished difference Result 11106 states and 15881 transitions. [2022-11-23 02:33:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:33:44,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-23 02:33:44,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:33:44,380 INFO L225 Difference]: With dead ends: 11106 [2022-11-23 02:33:44,380 INFO L226 Difference]: Without dead ends: 11095 [2022-11-23 02:33:44,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:33:44,391 INFO L413 NwaCegarLoop]: 1213 mSDtfsCounter, 7519 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 7662 mSolverCounterSat, 2561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8195 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 10225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2561 IncrementalHoareTripleChecker+Valid, 7662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:33:44,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8195 Valid, 2069 Invalid, 10225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2561 Valid, 7662 Invalid, 2 Unknown, 0 Unchecked, 27.4s Time] [2022-11-23 02:33:44,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11095 states. [2022-11-23 02:33:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11095 to 10393. [2022-11-23 02:33:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10393 states, 7346 states have (on average 1.334876123060169) internal successors, (9806), 7496 states have internal predecessors, (9806), 2452 states have call successors, (2452), 573 states have call predecessors, (2452), 594 states have return successors, (2533), 2439 states have call predecessors, (2533), 2448 states have call successors, (2533) [2022-11-23 02:33:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10393 states to 10393 states and 14791 transitions. [2022-11-23 02:33:45,088 INFO L78 Accepts]: Start accepts. Automaton has 10393 states and 14791 transitions. Word has length 19 [2022-11-23 02:33:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:33:45,088 INFO L495 AbstractCegarLoop]: Abstraction has 10393 states and 14791 transitions. [2022-11-23 02:33:45,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:33:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10393 states and 14791 transitions. [2022-11-23 02:33:45,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 02:33:45,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:33:45,111 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:33:45,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:33:45,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:33:45,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:33:45,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1732652074, now seen corresponding path program 1 times [2022-11-23 02:33:45,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:33:45,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547340923] [2022-11-23 02:33:45,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:33:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:33:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:33:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:33:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:33:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:33:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:33:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:33:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:33:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:33:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:33:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 02:33:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:33:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:33:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 02:33:46,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:33:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547340923] [2022-11-23 02:33:46,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547340923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:33:46,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:33:46,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:33:46,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616071399] [2022-11-23 02:33:46,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:33:46,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:33:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:33:46,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:33:46,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:33:46,410 INFO L87 Difference]: Start difference. First operand 10393 states and 14791 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:34:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:09,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:12,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:14,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:18,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:34:23,776 INFO L93 Difference]: Finished difference Result 13526 states and 19786 transitions. [2022-11-23 02:34:23,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:34:23,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2022-11-23 02:34:23,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:34:23,864 INFO L225 Difference]: With dead ends: 13526 [2022-11-23 02:34:23,864 INFO L226 Difference]: Without dead ends: 13523 [2022-11-23 02:34:23,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:34:23,881 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 4815 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 10370 mSolverCounterSat, 2883 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 4781 SdHoareTripleChecker+Invalid, 13255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 10370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:34:23,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5064 Valid, 4781 Invalid, 13255 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2883 Valid, 10370 Invalid, 2 Unknown, 0 Unchecked, 36.2s Time] [2022-11-23 02:34:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13523 states. [2022-11-23 02:34:24,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13523 to 10917. [2022-11-23 02:34:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 7709 states have (on average 1.3385653132702036) internal successors, (10319), 7864 states have internal predecessors, (10319), 2565 states have call successors, (2565), 621 states have call predecessors, (2565), 642 states have return successors, (2647), 2551 states have call predecessors, (2647), 2562 states have call successors, (2647) [2022-11-23 02:34:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15531 transitions. [2022-11-23 02:34:24,738 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15531 transitions. Word has length 78 [2022-11-23 02:34:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:34:24,740 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 15531 transitions. [2022-11-23 02:34:24,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 02:34:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15531 transitions. [2022-11-23 02:34:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-23 02:34:24,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:34:24,771 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:34:24,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:34:24,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:34:24,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:34:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash -342485247, now seen corresponding path program 1 times [2022-11-23 02:34:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:34:24,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422592567] [2022-11-23 02:34:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:34:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:34:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:34:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:34:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:34:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:34:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:34:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:34:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:34:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:34:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:34:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:34:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:34:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:34:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:34:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:34:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:34:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:34:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:34:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:34:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:34:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:34:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:34:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:34:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-23 02:34:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-23 02:34:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-23 02:34:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:34:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:34:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:34:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:34:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:34:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:34:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:34:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:34:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:34:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-23 02:34:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:34:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 02:34:26,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:34:26,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422592567] [2022-11-23 02:34:26,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422592567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:34:26,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:34:26,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:34:26,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914073860] [2022-11-23 02:34:26,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:34:26,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:34:26,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:34:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:34:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:34:26,302 INFO L87 Difference]: Start difference. First operand 10917 states and 15531 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:34:52,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:56,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:34:58,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:00,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:02,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:04,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:05,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:08,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:12,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:19,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:35:19,732 INFO L93 Difference]: Finished difference Result 26856 states and 39484 transitions. [2022-11-23 02:35:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:35:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 332 [2022-11-23 02:35:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:35:19,822 INFO L225 Difference]: With dead ends: 26856 [2022-11-23 02:35:19,823 INFO L226 Difference]: Without dead ends: 15950 [2022-11-23 02:35:19,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:35:19,880 INFO L413 NwaCegarLoop]: 1336 mSDtfsCounter, 6478 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 12726 mSolverCounterSat, 4288 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6679 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 17020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4288 IncrementalHoareTripleChecker+Valid, 12726 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:35:19,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6679 Valid, 4305 Invalid, 17020 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4288 Valid, 12726 Invalid, 6 Unknown, 0 Unchecked, 51.8s Time] [2022-11-23 02:35:19,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2022-11-23 02:35:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 10921. [2022-11-23 02:35:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10921 states, 7713 states have (on average 1.338389731621937) internal successors, (10323), 7868 states have internal predecessors, (10323), 2565 states have call successors, (2565), 621 states have call predecessors, (2565), 642 states have return successors, (2647), 2551 states have call predecessors, (2647), 2562 states have call successors, (2647) [2022-11-23 02:35:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10921 states to 10921 states and 15535 transitions. [2022-11-23 02:35:20,741 INFO L78 Accepts]: Start accepts. Automaton has 10921 states and 15535 transitions. Word has length 332 [2022-11-23 02:35:20,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:35:20,742 INFO L495 AbstractCegarLoop]: Abstraction has 10921 states and 15535 transitions. [2022-11-23 02:35:20,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:35:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 10921 states and 15535 transitions. [2022-11-23 02:35:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-23 02:35:20,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:35:20,773 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:35:20,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:35:20,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:35:20,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:35:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash -769039745, now seen corresponding path program 1 times [2022-11-23 02:35:20,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:35:20,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598204702] [2022-11-23 02:35:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:35:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:35:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:35:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:35:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:35:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:35:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:35:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:35:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:35:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:35:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:35:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:35:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:35:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:35:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:35:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:35:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:35:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:35:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:35:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:35:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:35:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:35:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:35:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:35:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-23 02:35:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-23 02:35:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-23 02:35:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:35:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:35:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:35:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:35:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:35:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:35:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:35:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:35:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:35:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-23 02:35:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:35:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 02:35:22,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:35:22,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598204702] [2022-11-23 02:35:22,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598204702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:35:22,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:35:22,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:35:22,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018983215] [2022-11-23 02:35:22,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:35:22,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:35:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:35:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:35:22,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:35:22,685 INFO L87 Difference]: Start difference. First operand 10921 states and 15535 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:35:50,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:52,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:55,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:57,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:35:58,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:00,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:02,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:36:12,790 INFO L93 Difference]: Finished difference Result 26473 states and 38766 transitions. [2022-11-23 02:36:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:36:12,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 332 [2022-11-23 02:36:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:36:12,892 INFO L225 Difference]: With dead ends: 26473 [2022-11-23 02:36:12,892 INFO L226 Difference]: Without dead ends: 15563 [2022-11-23 02:36:12,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:36:12,959 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 6446 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 12461 mSolverCounterSat, 4305 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6644 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 16771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4305 IncrementalHoareTripleChecker+Valid, 12461 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:36:12,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6644 Valid, 4501 Invalid, 16771 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4305 Valid, 12461 Invalid, 5 Unknown, 0 Unchecked, 48.4s Time] [2022-11-23 02:36:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15563 states. [2022-11-23 02:36:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15563 to 10922. [2022-11-23 02:36:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10922 states, 7714 states have (on average 1.3383458646616542) internal successors, (10324), 7869 states have internal predecessors, (10324), 2565 states have call successors, (2565), 621 states have call predecessors, (2565), 642 states have return successors, (2647), 2551 states have call predecessors, (2647), 2562 states have call successors, (2647) [2022-11-23 02:36:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10922 states to 10922 states and 15536 transitions. [2022-11-23 02:36:13,985 INFO L78 Accepts]: Start accepts. Automaton has 10922 states and 15536 transitions. Word has length 332 [2022-11-23 02:36:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:36:13,987 INFO L495 AbstractCegarLoop]: Abstraction has 10922 states and 15536 transitions. [2022-11-23 02:36:13,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:36:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 10922 states and 15536 transitions. [2022-11-23 02:36:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-11-23 02:36:14,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:36:14,019 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:36:14,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:36:14,019 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:36:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:36:14,020 INFO L85 PathProgramCache]: Analyzing trace with hash 272116507, now seen corresponding path program 1 times [2022-11-23 02:36:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:36:14,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933506120] [2022-11-23 02:36:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:36:14,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:36:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:36:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:36:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:36:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:36:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:36:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:36:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:36:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:36:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:36:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:36:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:36:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:36:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:36:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:36:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:36:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:36:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:36:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:36:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:36:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:36:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:36:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:36:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-23 02:36:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-23 02:36:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-23 02:36:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:36:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:36:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:36:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:36:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:36:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:36:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:36:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:36:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:36:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-23 02:36:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 02:36:15,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:36:15,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933506120] [2022-11-23 02:36:15,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933506120] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:36:15,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404416932] [2022-11-23 02:36:15,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:36:15,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:36:15,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:36:15,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:36:15,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:36:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:36:18,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 9566 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:36:18,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:36:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-11-23 02:36:18,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:36:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-23 02:36:19,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404416932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:36:19,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:36:19,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-11-23 02:36:19,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632925025] [2022-11-23 02:36:19,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:36:19,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 02:36:19,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:36:19,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 02:36:19,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:36:19,083 INFO L87 Difference]: Start difference. First operand 10922 states and 15536 transitions. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 7 states have internal predecessors, (231), 2 states have call successors, (74), 5 states have call predecessors, (74), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-23 02:36:45,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:47,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:49,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:36:58,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:36:58,219 INFO L93 Difference]: Finished difference Result 26405 states and 38676 transitions. [2022-11-23 02:36:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:36:58,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 7 states have internal predecessors, (231), 2 states have call successors, (74), 5 states have call predecessors, (74), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 334 [2022-11-23 02:36:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:36:58,297 INFO L225 Difference]: With dead ends: 26405 [2022-11-23 02:36:58,297 INFO L226 Difference]: Without dead ends: 15494 [2022-11-23 02:36:58,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-23 02:36:58,343 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 6250 mSDsluCounter, 3117 mSDsCounter, 0 mSdLazyCounter, 12377 mSolverCounterSat, 4176 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6448 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 16556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4176 IncrementalHoareTripleChecker+Valid, 12377 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:36:58,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6448 Valid, 4519 Invalid, 16556 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4176 Valid, 12377 Invalid, 3 Unknown, 0 Unchecked, 37.5s Time] [2022-11-23 02:36:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15494 states. [2022-11-23 02:36:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15494 to 10928. [2022-11-23 02:36:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10928 states, 7720 states have (on average 1.3380829015544042) internal successors, (10330), 7875 states have internal predecessors, (10330), 2565 states have call successors, (2565), 621 states have call predecessors, (2565), 642 states have return successors, (2647), 2551 states have call predecessors, (2647), 2562 states have call successors, (2647) [2022-11-23 02:36:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10928 states to 10928 states and 15542 transitions. [2022-11-23 02:36:59,391 INFO L78 Accepts]: Start accepts. Automaton has 10928 states and 15542 transitions. Word has length 334 [2022-11-23 02:36:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:36:59,392 INFO L495 AbstractCegarLoop]: Abstraction has 10928 states and 15542 transitions. [2022-11-23 02:36:59,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 7 states have internal predecessors, (231), 2 states have call successors, (74), 5 states have call predecessors, (74), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-23 02:36:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10928 states and 15542 transitions. [2022-11-23 02:36:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-11-23 02:36:59,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:36:59,421 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:36:59,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:36:59,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c614373e-7118-4ff7-a3b0-f8ff63fcbcba/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:36:59,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:36:59,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:36:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1378010385, now seen corresponding path program 2 times [2022-11-23 02:36:59,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:36:59,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523883299] [2022-11-23 02:36:59,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:36:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:36:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:37:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:37:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:37:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:37:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:37:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:37:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:37:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:37:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:37:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:37:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:37:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:37:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:37:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:37:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:37:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:37:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:37:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:37:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:37:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:37:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:37:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:37:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-23 02:37:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-23 02:37:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-23 02:37:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:37:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:37:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:37:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:37:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:37:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:37:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:37:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:37:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:37:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-23 02:37:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:37:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-23 02:37:02,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:37:02,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523883299] [2022-11-23 02:37:02,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523883299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:37:02,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:37:02,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:37:02,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694226304] [2022-11-23 02:37:02,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:37:02,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:37:02,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:37:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:37:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:37:02,964 INFO L87 Difference]: Start difference. First operand 10928 states and 15542 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:37:26,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:37:28,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:37:30,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:37:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:37:55,828 INFO L93 Difference]: Finished difference Result 29126 states and 43410 transitions. [2022-11-23 02:37:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 02:37:55,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 340 [2022-11-23 02:37:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:37:55,988 INFO L225 Difference]: With dead ends: 29126 [2022-11-23 02:37:55,989 INFO L226 Difference]: Without dead ends: 29115 [2022-11-23 02:37:56,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:37:56,011 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 15055 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 15674 mSolverCounterSat, 9265 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15557 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 24942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9265 IncrementalHoareTripleChecker+Valid, 15674 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:37:56,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15557 Valid, 4134 Invalid, 24942 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9265 Valid, 15674 Invalid, 3 Unknown, 0 Unchecked, 49.9s Time] [2022-11-23 02:37:56,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29115 states. [2022-11-23 02:37:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29115 to 22048. [2022-11-23 02:37:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22048 states, 15569 states have (on average 1.3325839809878606) internal successors, (20747), 15909 states have internal predecessors, (20747), 5216 states have call successors, (5216), 1157 states have call predecessors, (5216), 1262 states have return successors, (5679), 5245 states have call predecessors, (5679), 5213 states have call successors, (5679) [2022-11-23 02:37:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22048 states to 22048 states and 31642 transitions. [2022-11-23 02:37:57,706 INFO L78 Accepts]: Start accepts. Automaton has 22048 states and 31642 transitions. Word has length 340 [2022-11-23 02:37:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:37:57,707 INFO L495 AbstractCegarLoop]: Abstraction has 22048 states and 31642 transitions. [2022-11-23 02:37:57,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 02:37:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22048 states and 31642 transitions. [2022-11-23 02:37:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-23 02:37:57,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:37:57,734 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:37:57,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:37:57,735 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:37:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:37:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1712287592, now seen corresponding path program 1 times [2022-11-23 02:37:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:37:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364335737] [2022-11-23 02:37:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:37:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:37:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:38:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:38:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:38:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:38:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:38:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:38:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:38:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:38:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:38:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:38:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:38:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:38:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:38:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:38:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:38:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:38:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:38:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:38:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:38:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:38:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:38:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 02:38:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:38:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:38:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:38:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:38:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:38:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:38:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:38:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:38:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:38:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-23 02:38:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:38:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-11-23 02:38:01,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:38:01,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364335737] [2022-11-23 02:38:01,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364335737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:38:01,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:38:01,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:38:01,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258550974] [2022-11-23 02:38:01,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:38:01,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:38:01,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:38:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:38:01,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:38:01,358 INFO L87 Difference]: Start difference. First operand 22048 states and 31642 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-23 02:38:26,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:38:28,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:38:31,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:38:33,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:39:01,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:39:06,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:39:06,479 INFO L93 Difference]: Finished difference Result 37281 states and 55914 transitions. [2022-11-23 02:39:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 02:39:06,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 325 [2022-11-23 02:39:06,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:39:06,677 INFO L225 Difference]: With dead ends: 37281 [2022-11-23 02:39:06,678 INFO L226 Difference]: Without dead ends: 37270 [2022-11-23 02:39:06,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:39:06,708 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 16024 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 15616 mSolverCounterSat, 9658 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16524 SdHoareTripleChecker+Valid, 3860 SdHoareTripleChecker+Invalid, 25277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9658 IncrementalHoareTripleChecker+Valid, 15616 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:39:06,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16524 Valid, 3860 Invalid, 25277 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9658 Valid, 15616 Invalid, 3 Unknown, 0 Unchecked, 60.8s Time] [2022-11-23 02:39:06,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37270 states. [2022-11-23 02:39:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37270 to 27831. [2022-11-23 02:39:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27831 states, 19659 states have (on average 1.331705580141411) internal successors, (26180), 20094 states have internal predecessors, (26180), 6591 states have call successors, (6591), 1428 states have call predecessors, (6591), 1580 states have return successors, (7297), 6648 states have call predecessors, (7297), 6588 states have call successors, (7297) [2022-11-23 02:39:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27831 states to 27831 states and 40068 transitions. [2022-11-23 02:39:09,306 INFO L78 Accepts]: Start accepts. Automaton has 27831 states and 40068 transitions. Word has length 325 [2022-11-23 02:39:09,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:39:09,307 INFO L495 AbstractCegarLoop]: Abstraction has 27831 states and 40068 transitions. [2022-11-23 02:39:09,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (48), 6 states have call predecessors, (48), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-23 02:39:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 27831 states and 40068 transitions. [2022-11-23 02:39:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-11-23 02:39:09,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:39:09,432 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:39:09,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 02:39:09,433 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:39:09,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:39:09,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1758297287, now seen corresponding path program 1 times [2022-11-23 02:39:09,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:39:09,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300523459] [2022-11-23 02:39:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:39:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:39:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:39:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:39:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:39:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:39:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:39:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:39:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:39:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:39:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:39:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:39:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:39:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:39:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:39:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:39:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:39:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:39:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:39:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:39:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:39:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:39:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:39:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:39:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-23 02:39:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-23 02:39:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-23 02:39:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:39:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:39:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:39:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:39:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:39:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:39:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:39:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:39:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-23 02:39:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-23 02:39:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:39:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:39:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:39:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:39:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:39:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:39:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:39:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:39:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:39:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-23 02:39:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:39:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-23 02:39:14,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:39:14,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300523459] [2022-11-23 02:39:14,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300523459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:39:14,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:39:14,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:39:14,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132811685] [2022-11-23 02:39:14,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:39:14,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:39:14,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:39:14,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:39:14,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:39:14,096 INFO L87 Difference]: Start difference. First operand 27831 states and 40068 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:39:40,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:39:42,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:39:44,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:40:15,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:40:15,882 INFO L93 Difference]: Finished difference Result 44756 states and 67201 transitions. [2022-11-23 02:40:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 02:40:15,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 439 [2022-11-23 02:40:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:40:16,096 INFO L225 Difference]: With dead ends: 44756 [2022-11-23 02:40:16,096 INFO L226 Difference]: Without dead ends: 44745 [2022-11-23 02:40:16,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:40:16,125 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 15243 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 15730 mSolverCounterSat, 9277 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15747 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 25010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9277 IncrementalHoareTripleChecker+Valid, 15730 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:40:16,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15747 Valid, 4052 Invalid, 25010 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9277 Valid, 15730 Invalid, 3 Unknown, 0 Unchecked, 56.9s Time] [2022-11-23 02:40:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44745 states. [2022-11-23 02:40:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44745 to 33849. [2022-11-23 02:40:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33849 states, 23904 states have (on average 1.3305304551539492) internal successors, (31805), 24442 states have internal predecessors, (31805), 8034 states have call successors, (8034), 1699 states have call predecessors, (8034), 1910 states have return successors, (9051), 8131 states have call predecessors, (9051), 8031 states have call successors, (9051) [2022-11-23 02:40:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33849 states to 33849 states and 48890 transitions. [2022-11-23 02:40:19,297 INFO L78 Accepts]: Start accepts. Automaton has 33849 states and 48890 transitions. Word has length 439 [2022-11-23 02:40:19,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:40:19,298 INFO L495 AbstractCegarLoop]: Abstraction has 33849 states and 48890 transitions. [2022-11-23 02:40:19,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:40:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 33849 states and 48890 transitions. [2022-11-23 02:40:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-23 02:40:19,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:40:19,370 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:40:19,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 02:40:19,370 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:40:19,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:40:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1286086697, now seen corresponding path program 1 times [2022-11-23 02:40:19,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:40:19,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364677022] [2022-11-23 02:40:19,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:40:19,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:40:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:40:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:40:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-23 02:40:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:40:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-23 02:40:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 02:40:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-23 02:40:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-23 02:40:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 02:40:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:40:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-23 02:40:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 02:40:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 02:40:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-23 02:40:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:40:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 02:40:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-23 02:40:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:40:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 02:40:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 02:40:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-23 02:40:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:40:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 02:40:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:40:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:40:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:40:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:40:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:40:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:40:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:40:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:40:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-23 02:40:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-23 02:40:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-23 02:40:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-23 02:40:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 02:40:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 02:40:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 02:40:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 02:40:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 02:40:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-23 02:40:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-23 02:40:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-23 02:40:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:40:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-23 02:40:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:40:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-11-23 02:40:23,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:40:23,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364677022] [2022-11-23 02:40:23,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364677022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:40:23,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:40:23,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:40:23,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818905091] [2022-11-23 02:40:23,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:40:23,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:40:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:40:23,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:40:23,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:40:23,985 INFO L87 Difference]: Start difference. First operand 33849 states and 48890 transitions. Second operand has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:40:49,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:40:51,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:40:53,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:40:55,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:40:57,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:41:02,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:41:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:41:10,755 INFO L93 Difference]: Finished difference Result 44963 states and 67589 transitions. [2022-11-23 02:41:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 02:41:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 445 [2022-11-23 02:41:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:41:10,870 INFO L225 Difference]: With dead ends: 44963 [2022-11-23 02:41:10,870 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:41:11,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:41:11,010 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 10392 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 9511 mSolverCounterSat, 6170 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10630 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 15684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6170 IncrementalHoareTripleChecker+Valid, 9511 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:41:11,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10630 Valid, 2620 Invalid, 15684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6170 Valid, 9511 Invalid, 3 Unknown, 0 Unchecked, 42.5s Time] [2022-11-23 02:41:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:41:11,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:41:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:41:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:41:11,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 445 [2022-11-23 02:41:11,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:41:11,021 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:41:11,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 3 states have internal predecessors, (184), 3 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-23 02:41:11,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:41:11,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:41:11,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:41:11,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 02:41:11,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:41:32,914 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:41:58,390 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:42:11,473 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:42:33,801 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:42:40,201 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:42:46,061 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:42:51,156 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:43:09,873 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:43:28,459 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:43:39,016 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:43:47,480 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:43:52,629 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:44:09,327 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:44:34,353 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 66 DAG size of output: 64 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:44:47,457 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:44:53,198 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:45:02,679 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 65 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)