./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- 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-e04fb08 [2022-11-16 16:15:29,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:15:29,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:15:29,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:15:29,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:15:29,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:15:29,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:15:29,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:15:29,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:15:29,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:15:29,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:15:29,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:15:29,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:15:29,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:15:29,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:15:29,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:15:29,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:15:29,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:15:29,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:15:29,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:15:29,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:15:29,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:15:29,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:15:29,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:15:29,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:15:29,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:15:29,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:15:29,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:15:29,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:15:29,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:15:29,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:15:29,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:15:29,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:15:29,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:15:29,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:15:29,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:15:29,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:15:29,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:15:29,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:15:29,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:15:29,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:15:29,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 16:15:29,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:15:29,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:15:29,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:15:29,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:15:29,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:15:29,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:15:29,239 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:15:29,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:15:29,240 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:15:29,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:15:29,242 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:15:29,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:15:29,242 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:15:29,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:15:29,243 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:15:29,243 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:15:29,243 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:15:29,244 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:15:29,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:15:29,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:15:29,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:15:29,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:15:29,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:15:29,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:15:29,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:15:29,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:15:29,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:15:29,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:15:29,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:15:29,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:15:29,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:15:29,251 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:15:29,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:15:29,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:15:29,251 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:15:29,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:15:29,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:15:29,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:15:29,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2022-11-16 16:15:29,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:15:29,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:15:29,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:15:29,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:15:29,641 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:15:29,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-16 16:15:29,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/data/5fe377f8e/50d2eb82cf4f4de89eb960449cb86c51/FLAG38616cf30 [2022-11-16 16:15:31,011 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:15:31,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-16 16:15:31,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/data/5fe377f8e/50d2eb82cf4f4de89eb960449cb86c51/FLAG38616cf30 [2022-11-16 16:15:31,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/data/5fe377f8e/50d2eb82cf4f4de89eb960449cb86c51 [2022-11-16 16:15:31,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:15:31,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:15:31,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:15:31,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:15:31,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:15:31,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:15:31" (1/1) ... [2022-11-16 16:15:31,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26747632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:31, skipping insertion in model container [2022-11-16 16:15:31,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:15:31" (1/1) ... [2022-11-16 16:15:31,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:15:31,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:15:32,162 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-16 16:15:32,163 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-16 16:15:33,077 WARN L229 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_921e498f-928a-4584-b3bb-0477b6be309b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2022-11-16 16:15:35,283 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 16:15:35,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:15:35,424 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:15:35,565 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-16 16:15:35,566 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-16 16:15:35,593 WARN L229 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_921e498f-928a-4584-b3bb-0477b6be309b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2022-11-16 16:15:36,234 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 16:15:36,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:15:36,468 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:15:36,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36 WrapperNode [2022-11-16 16:15:36,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:15:36,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:15:36,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:15:36,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:15:36,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:36,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:36,989 INFO L138 Inliner]: procedures = 454, calls = 2280, calls flagged for inlining = 217, calls inlined = 215, statements flattened = 7423 [2022-11-16 16:15:36,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:15:36,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:15:36,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:15:36,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:15:37,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,370 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:15:37,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:15:37,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:15:37,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:15:37,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (1/1) ... [2022-11-16 16:15:37,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:15:37,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:15:37,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:15:37,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:15:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 16:15:37,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 16:15:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 16:15:37,533 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2022-11-16 16:15:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2022-11-16 16:15:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2022-11-16 16:15:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2022-11-16 16:15:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-16 16:15:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-16 16:15:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-16 16:15:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-16 16:15:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 16:15:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 16:15:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2022-11-16 16:15:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2022-11-16 16:15:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 16:15:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 16:15:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 16:15:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 16:15:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2022-11-16 16:15:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2022-11-16 16:15:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2022-11-16 16:15:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2022-11-16 16:15:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2022-11-16 16:15:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2022-11-16 16:15:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-16 16:15:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-16 16:15:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2022-11-16 16:15:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2022-11-16 16:15:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-16 16:15:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-16 16:15:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2022-11-16 16:15:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2022-11-16 16:15:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2022-11-16 16:15:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2022-11-16 16:15:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2022-11-16 16:15:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2022-11-16 16:15:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2022-11-16 16:15:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2022-11-16 16:15:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 16:15:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 16:15:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-16 16:15:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-16 16:15:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2022-11-16 16:15:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2022-11-16 16:15:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-16 16:15:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-16 16:15:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2022-11-16 16:15:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2022-11-16 16:15:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 16:15:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2022-11-16 16:15:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2022-11-16 16:15:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 16:15:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-16 16:15:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-16 16:15:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2022-11-16 16:15:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2022-11-16 16:15:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-16 16:15:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:15:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2022-11-16 16:15:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2022-11-16 16:15:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2022-11-16 16:15:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2022-11-16 16:15:37,551 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2022-11-16 16:15:37,551 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2022-11-16 16:15:37,551 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2022-11-16 16:15:37,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2022-11-16 16:15:37,552 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2022-11-16 16:15:37,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2022-11-16 16:15:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 16:15:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 16:15:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2022-11-16 16:15:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2022-11-16 16:15:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-11-16 16:15:37,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-11-16 16:15:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 16:15:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2022-11-16 16:15:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2022-11-16 16:15:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 16:15:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 16:15:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 16:15:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2022-11-16 16:15:37,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2022-11-16 16:15:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:15:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2022-11-16 16:15:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2022-11-16 16:15:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2022-11-16 16:15:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2022-11-16 16:15:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 16:15:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 16:15:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-16 16:15:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-16 16:15:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-11-16 16:15:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-11-16 16:15:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2022-11-16 16:15:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2022-11-16 16:15:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2022-11-16 16:15:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2022-11-16 16:15:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-16 16:15:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-16 16:15:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 16:15:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 16:15:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-11-16 16:15:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-11-16 16:15:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2022-11-16 16:15:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2022-11-16 16:15:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2022-11-16 16:15:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2022-11-16 16:15:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 16:15:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 16:15:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-16 16:15:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-16 16:15:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2022-11-16 16:15:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2022-11-16 16:15:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2022-11-16 16:15:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2022-11-16 16:15:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-11-16 16:15:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-11-16 16:15:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2022-11-16 16:15:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2022-11-16 16:15:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2022-11-16 16:15:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2022-11-16 16:15:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2022-11-16 16:15:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2022-11-16 16:15:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2022-11-16 16:15:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2022-11-16 16:15:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 16:15:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 16:15:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 16:15:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 16:15:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2022-11-16 16:15:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2022-11-16 16:15:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2022-11-16 16:15:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2022-11-16 16:15:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2022-11-16 16:15:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2022-11-16 16:15:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2022-11-16 16:15:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 16:15:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 16:15:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 16:15:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 16:15:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2022-11-16 16:15:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2022-11-16 16:15:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 16:15:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 16:15:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 16:15:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 16:15:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2022-11-16 16:15:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2022-11-16 16:15:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2022-11-16 16:15:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2022-11-16 16:15:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 16:15:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 16:15:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-16 16:15:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-16 16:15:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2022-11-16 16:15:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2022-11-16 16:15:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2022-11-16 16:15:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2022-11-16 16:15:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2022-11-16 16:15:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2022-11-16 16:15:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-16 16:15:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-16 16:15:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:15:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:15:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 16:15:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 16:15:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-16 16:15:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-16 16:15:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-16 16:15:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-16 16:15:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-16 16:15:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-16 16:15:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 16:15:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 16:15:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 16:15:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 16:15:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-16 16:15:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-16 16:15:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 16:15:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 16:15:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2022-11-16 16:15:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2022-11-16 16:15:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2022-11-16 16:15:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2022-11-16 16:15:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2022-11-16 16:15:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2022-11-16 16:15:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2022-11-16 16:15:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2022-11-16 16:15:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-16 16:15:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-16 16:15:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-16 16:15:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-16 16:15:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 16:15:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 16:15:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 16:15:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 16:15:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2022-11-16 16:15:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2022-11-16 16:15:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2022-11-16 16:15:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2022-11-16 16:15:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2022-11-16 16:15:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2022-11-16 16:15:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 16:15:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 16:15:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 16:15:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 16:15:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2022-11-16 16:15:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2022-11-16 16:15:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2022-11-16 16:15:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2022-11-16 16:15:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 16:15:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 16:15:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-16 16:15:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-16 16:15:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2022-11-16 16:15:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2022-11-16 16:15:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2022-11-16 16:15:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2022-11-16 16:15:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:15:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2022-11-16 16:15:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2022-11-16 16:15:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 16:15:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 16:15:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2022-11-16 16:15:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2022-11-16 16:15:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 16:15:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2022-11-16 16:15:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2022-11-16 16:15:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-16 16:15:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-16 16:15:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2022-11-16 16:15:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2022-11-16 16:15:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-16 16:15:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-16 16:15:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2022-11-16 16:15:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2022-11-16 16:15:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-16 16:15:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-16 16:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-16 16:15:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-16 16:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-16 16:15:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-16 16:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2022-11-16 16:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2022-11-16 16:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 16:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 16:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 16:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2022-11-16 16:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2022-11-16 16:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-16 16:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-16 16:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2022-11-16 16:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2022-11-16 16:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 16:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 16:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2022-11-16 16:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2022-11-16 16:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2022-11-16 16:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2022-11-16 16:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 16:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 16:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2022-11-16 16:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2022-11-16 16:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2022-11-16 16:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2022-11-16 16:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2022-11-16 16:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2022-11-16 16:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2022-11-16 16:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2022-11-16 16:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2022-11-16 16:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2022-11-16 16:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 16:15:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 16:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-16 16:15:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-16 16:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 16:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 16:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2022-11-16 16:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2022-11-16 16:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2022-11-16 16:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2022-11-16 16:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2022-11-16 16:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2022-11-16 16:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2022-11-16 16:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2022-11-16 16:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 16:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 16:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-11-16 16:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-11-16 16:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2022-11-16 16:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2022-11-16 16:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-16 16:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-16 16:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2022-11-16 16:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2022-11-16 16:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 16:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 16:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 16:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 16:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2022-11-16 16:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2022-11-16 16:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-16 16:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-16 16:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2022-11-16 16:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2022-11-16 16:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2022-11-16 16:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2022-11-16 16:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2022-11-16 16:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2022-11-16 16:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 16:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 16:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2022-11-16 16:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2022-11-16 16:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-16 16:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-16 16:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2022-11-16 16:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2022-11-16 16:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2022-11-16 16:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2022-11-16 16:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 16:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 16:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2022-11-16 16:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2022-11-16 16:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2022-11-16 16:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2022-11-16 16:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-16 16:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-16 16:15:39,151 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:15:39,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:15:39,503 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 16:15:48,533 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:15:51,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:15:51,354 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:15:51,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:15:51 BoogieIcfgContainer [2022-11-16 16:15:51,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:15:51,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:15:51,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:15:51,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:15:51,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:15:31" (1/3) ... [2022-11-16 16:15:51,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1be221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:15:51, skipping insertion in model container [2022-11-16 16:15:51,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:15:36" (2/3) ... [2022-11-16 16:15:51,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1be221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:15:51, skipping insertion in model container [2022-11-16 16:15:51,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:15:51" (3/3) ... [2022-11-16 16:15:51,374 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-16 16:15:51,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:15:51,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:15:51,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:15:51,550 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=FINITE_AUTOMATA, 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;@71d6bff0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:15:51,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:15:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 2119 states, 1264 states have (on average 1.3623417721518987) internal successors, (1722), 1366 states have internal predecessors, (1722), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2022-11-16 16:15:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-16 16:15:51,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:15:51,634 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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] [2022-11-16 16:15:51,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:15:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:15:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1044313934, now seen corresponding path program 1 times [2022-11-16 16:15:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:15:51,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082941330] [2022-11-16 16:15:51,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:15:51,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:15:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:15:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2022-11-16 16:15:52,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:15:52,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082941330] [2022-11-16 16:15:52,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082941330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:15:52,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:15:52,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:15:52,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238127740] [2022-11-16 16:15:52,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:15:52,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:15:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:15:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:15:52,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:15:52,771 INFO L87 Difference]: Start difference. First operand has 2119 states, 1264 states have (on average 1.3623417721518987) internal successors, (1722), 1366 states have internal predecessors, (1722), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:15:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:15:55,863 INFO L93 Difference]: Finished difference Result 6104 states and 8945 transitions. [2022-11-16 16:15:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:15:55,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2022-11-16 16:15:55,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:15:55,937 INFO L225 Difference]: With dead ends: 6104 [2022-11-16 16:15:55,937 INFO L226 Difference]: Without dead ends: 4005 [2022-11-16 16:15:55,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:15:55,967 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 2870 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6084 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 16:15:55,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 6084 Invalid, 653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 16:15:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2022-11-16 16:15:56,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 4001. [2022-11-16 16:15:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 2393 states have (on average 1.347680735478479) internal successors, (3225), 2568 states have internal predecessors, (3225), 1299 states have call successors, (1299), 309 states have call predecessors, (1299), 308 states have return successors, (1298), 1269 states have call predecessors, (1298), 1298 states have call successors, (1298) [2022-11-16 16:15:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5822 transitions. [2022-11-16 16:15:56,345 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5822 transitions. Word has length 206 [2022-11-16 16:15:56,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:15:56,352 INFO L495 AbstractCegarLoop]: Abstraction has 4001 states and 5822 transitions. [2022-11-16 16:15:56,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:15:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5822 transitions. [2022-11-16 16:15:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-16 16:15:56,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:15:56,400 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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] [2022-11-16 16:15:56,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:15:56,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:15:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:15:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2094130391, now seen corresponding path program 1 times [2022-11-16 16:15:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:15:56,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664968288] [2022-11-16 16:15:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:15:56,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:15:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:15:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2022-11-16 16:15:56,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:15:56,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664968288] [2022-11-16 16:15:56,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664968288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:15:56,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:15:56,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:15:56,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086498537] [2022-11-16 16:15:56,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:15:56,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:15:56,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:15:56,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:15:56,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:15:56,987 INFO L87 Difference]: Start difference. First operand 4001 states and 5822 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:16:00,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:00,062 INFO L93 Difference]: Finished difference Result 11322 states and 16373 transitions. [2022-11-16 16:16:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:16:00,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 207 [2022-11-16 16:16:00,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:00,135 INFO L225 Difference]: With dead ends: 11322 [2022-11-16 16:16:00,136 INFO L226 Difference]: Without dead ends: 7378 [2022-11-16 16:16:00,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:00,161 INFO L413 NwaCegarLoop]: 3479 mSDtfsCounter, 2590 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 6113 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:00,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 6113 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 16:16:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7378 states. [2022-11-16 16:16:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7378 to 7373. [2022-11-16 16:16:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7373 states, 4403 states have (on average 1.3438564615035202) internal successors, (5917), 4742 states have internal predecessors, (5917), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2022-11-16 16:16:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7373 states to 7373 states and 10630 transitions. [2022-11-16 16:16:00,840 INFO L78 Accepts]: Start accepts. Automaton has 7373 states and 10630 transitions. Word has length 207 [2022-11-16 16:16:00,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:00,841 INFO L495 AbstractCegarLoop]: Abstraction has 7373 states and 10630 transitions. [2022-11-16 16:16:00,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:16:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7373 states and 10630 transitions. [2022-11-16 16:16:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-16 16:16:00,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:00,848 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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] [2022-11-16 16:16:00,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:16:00,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:00,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash 106527692, now seen corresponding path program 1 times [2022-11-16 16:16:00,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:00,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591025533] [2022-11-16 16:16:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:00,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2022-11-16 16:16:01,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:01,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591025533] [2022-11-16 16:16:01,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591025533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:01,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:01,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:16:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238303479] [2022-11-16 16:16:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:01,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:16:01,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:01,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:16:01,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:01,340 INFO L87 Difference]: Start difference. First operand 7373 states and 10630 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:16:02,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:16:05,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:05,472 INFO L93 Difference]: Finished difference Result 19931 states and 28633 transitions. [2022-11-16 16:16:05,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:16:05,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 213 [2022-11-16 16:16:05,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:05,589 INFO L225 Difference]: With dead ends: 19931 [2022-11-16 16:16:05,590 INFO L226 Difference]: Without dead ends: 12615 [2022-11-16 16:16:05,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:05,651 INFO L413 NwaCegarLoop]: 4766 mSDtfsCounter, 2858 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 7397 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:05,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 7397 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 16:16:05,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12615 states. [2022-11-16 16:16:06,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12615 to 12612. [2022-11-16 16:16:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12612 states, 7533 states have (on average 1.3424930306650737) internal successors, (10113), 8117 states have internal predecessors, (10113), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2022-11-16 16:16:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12612 states to 12612 states and 18082 transitions. [2022-11-16 16:16:06,798 INFO L78 Accepts]: Start accepts. Automaton has 12612 states and 18082 transitions. Word has length 213 [2022-11-16 16:16:06,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:06,799 INFO L495 AbstractCegarLoop]: Abstraction has 12612 states and 18082 transitions. [2022-11-16 16:16:06,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 16:16:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 12612 states and 18082 transitions. [2022-11-16 16:16:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-11-16 16:16:06,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:06,824 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 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] [2022-11-16 16:16:06,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:16:06,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:06,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:06,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1881122033, now seen corresponding path program 1 times [2022-11-16 16:16:06,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:06,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635539651] [2022-11-16 16:16:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4904 trivial. 0 not checked. [2022-11-16 16:16:08,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:08,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635539651] [2022-11-16 16:16:08,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635539651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:08,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:08,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:16:08,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425931044] [2022-11-16 16:16:08,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:08,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:16:08,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:08,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:16:08,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:08,373 INFO L87 Difference]: Start difference. First operand 12612 states and 18082 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-16 16:16:11,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:11,292 INFO L93 Difference]: Finished difference Result 20877 states and 29858 transitions. [2022-11-16 16:16:11,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:16:11,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 352 [2022-11-16 16:16:11,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:11,489 INFO L225 Difference]: With dead ends: 20877 [2022-11-16 16:16:11,490 INFO L226 Difference]: Without dead ends: 20874 [2022-11-16 16:16:11,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:11,514 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 2364 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 5666 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:11,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 5666 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 16:16:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20874 states. [2022-11-16 16:16:12,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20874 to 20437. [2022-11-16 16:16:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20437 states, 12488 states have (on average 1.353619474695708) internal successors, (16904), 13339 states have internal predecessors, (16904), 5996 states have call successors, (5996), 1964 states have call predecessors, (5996), 1952 states have return successors, (6192), 5814 states have call predecessors, (6192), 5995 states have call successors, (6192) [2022-11-16 16:16:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20437 states to 20437 states and 29092 transitions. [2022-11-16 16:16:12,902 INFO L78 Accepts]: Start accepts. Automaton has 20437 states and 29092 transitions. Word has length 352 [2022-11-16 16:16:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:12,904 INFO L495 AbstractCegarLoop]: Abstraction has 20437 states and 29092 transitions. [2022-11-16 16:16:12,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-16 16:16:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20437 states and 29092 transitions. [2022-11-16 16:16:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-16 16:16:12,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:12,970 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 3, 3, 3, 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] [2022-11-16 16:16:12,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:16:12,971 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:12,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1870861018, now seen corresponding path program 1 times [2022-11-16 16:16:12,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:12,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877430466] [2022-11-16 16:16:12,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:12,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4906 trivial. 0 not checked. [2022-11-16 16:16:13,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:13,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877430466] [2022-11-16 16:16:13,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877430466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:16:13,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:16:13,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:16:13,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357434468] [2022-11-16 16:16:13,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:16:13,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:16:13,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:16:13,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:16:13,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:13,475 INFO L87 Difference]: Start difference. First operand 20437 states and 29092 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-16 16:16:18,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:16:18,388 INFO L93 Difference]: Finished difference Result 60149 states and 85573 transitions. [2022-11-16 16:16:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:16:18,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 373 [2022-11-16 16:16:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:16:18,884 INFO L225 Difference]: With dead ends: 60149 [2022-11-16 16:16:18,884 INFO L226 Difference]: Without dead ends: 39777 [2022-11-16 16:16:18,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:16:18,987 INFO L413 NwaCegarLoop]: 5043 mSDtfsCounter, 2922 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 7714 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 16:16:18,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 7714 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 16:16:19,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39777 states. [2022-11-16 16:16:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39777 to 39770. [2022-11-16 16:16:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39770 states, 24203 states have (on average 1.3506590092137338) internal successors, (32690), 25907 states have internal predecessors, (32690), 11736 states have call successors, (11736), 3853 states have call predecessors, (11736), 3830 states have return successors, (12129), 11371 states have call predecessors, (12129), 11735 states have call successors, (12129) [2022-11-16 16:16:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39770 states to 39770 states and 56555 transitions. [2022-11-16 16:16:22,166 INFO L78 Accepts]: Start accepts. Automaton has 39770 states and 56555 transitions. Word has length 373 [2022-11-16 16:16:22,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:16:22,168 INFO L495 AbstractCegarLoop]: Abstraction has 39770 states and 56555 transitions. [2022-11-16 16:16:22,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-16 16:16:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 39770 states and 56555 transitions. [2022-11-16 16:16:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-16 16:16:22,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:16:22,284 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 3, 3, 3, 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] [2022-11-16 16:16:22,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:16:22,285 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:16:22,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:16:22,286 INFO L85 PathProgramCache]: Analyzing trace with hash 959937702, now seen corresponding path program 2 times [2022-11-16 16:16:22,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:16:22,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958395419] [2022-11-16 16:16:22,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:16:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:16:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:16:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 4804 trivial. 0 not checked. [2022-11-16 16:16:27,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:16:27,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958395419] [2022-11-16 16:16:27,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958395419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:16:27,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411988441] [2022-11-16 16:16:27,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:16:27,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:16:27,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:16:27,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:16:27,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921e498f-928a-4584-b3bb-0477b6be309b/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:16:31,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-11-16 16:16:31,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:16:31,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 16:16:31,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:16:34,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 16:16:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 1779 proven. 30 refuted. 0 times theorem prover too weak. 3108 trivial. 0 not checked. [2022-11-16 16:16:34,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:16:34,592 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-16 16:16:34,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 16:16:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 4804 trivial. 0 not checked. [2022-11-16 16:16:35,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411988441] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:16:35,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1250748647] [2022-11-16 16:16:35,708 INFO L159 IcfgInterpreter]: Started Sifa with 165 locations of interest [2022-11-16 16:16:35,708 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:16:35,721 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:16:35,730 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:16:35,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:16:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:40,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:41,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 55 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1284 treesize of output 1056 [2022-11-16 16:16:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:42,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 55 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1278 treesize of output 1050 [2022-11-16 16:16:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:44,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 377 treesize of output 331 [2022-11-16 16:16:54,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 21 select indices, 21 select index equivalence classes, 210 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 1416 treesize of output 1096 [2022-11-16 16:16:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2022-11-16 16:16:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-16 16:16:55,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:16:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-16 16:16:55,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:16:55,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 666 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 112 [2022-11-16 16:16:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:55,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-16 16:16:56,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:16:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-11-16 16:16:56,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:16:56,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:16:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-16 16:16:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 49 [2022-11-16 16:16:56,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 16:16:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 40 [2022-11-16 16:16:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:16:57,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2022-11-16 16:17:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:05,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 21 select indices, 21 select index equivalence classes, 210 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 1416 treesize of output 1096 [2022-11-16 16:17:06,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 666 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 112 [2022-11-16 16:17:06,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:17:06,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:17:06,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 16:17:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2022-11-16 16:17:06,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:17:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-16 16:17:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:06,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-11-16 16:17:06,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:17:07,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-16 16:17:07,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 16:17:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2022-11-16 16:17:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 40 [2022-11-16 16:17:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-16 16:17:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 49 [2022-11-16 16:17:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:17:07,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16