./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba --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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:58:31,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:58:31,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:58:31,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:58:31,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:58:31,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:58:31,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:58:31,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:58:31,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:58:31,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:58:31,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:58:31,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:58:31,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:58:31,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:58:31,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:58:31,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:58:31,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:58:31,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:58:31,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:58:31,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:58:31,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:58:31,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:58:31,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:58:31,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:58:31,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:58:31,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:58:31,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:58:31,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:58:31,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:58:31,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:58:31,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:58:31,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:58:31,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:58:31,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:58:31,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:58:31,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:58:31,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:58:31,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:58:31,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:58:31,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:58:31,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:58:31,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:58:31,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:58:31,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:58:31,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:58:31,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:58:31,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:58:31,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:58:31,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:58:31,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:58:31,239 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:58:31,239 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:58:31,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:58:31,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:58:31,240 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:58:31,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:58:31,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:58:31,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:58:31,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:58:31,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:58:31,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:58:31,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:58:31,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:58:31,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:58:31,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:58:31,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:58:31,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:58:31,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:58:31,252 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:58:31,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:58:31,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:58:31,253 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:58:31,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:58:31,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:58:31,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:58:31,254 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_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-11-22 01:58:31,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:58:31,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:58:31,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:58:31,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:58:31,589 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:58:31,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 01:58:34,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:58:35,346 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:58:35,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 01:58:35,382 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/79e04ce0c/9a31d51699424eb98cbe4ad0e7551f74/FLAGcc5ce651a [2022-11-22 01:58:35,403 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/79e04ce0c/9a31d51699424eb98cbe4ad0e7551f74 [2022-11-22 01:58:35,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:58:35,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:58:35,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:35,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:58:35,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:58:35,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:35" (1/1) ... [2022-11-22 01:58:35,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aeb9430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:35, skipping insertion in model container [2022-11-22 01:58:35,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:58:35" (1/1) ... [2022-11-22 01:58:35,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:58:35,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:58:36,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-11-22 01:58:36,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:58:36,507 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:58:36,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-11-22 01:58:36,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:58:36,935 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:58:36,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36 WrapperNode [2022-11-22 01:58:36,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:58:36,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:58:36,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:58:36,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:58:36,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,092 INFO L138 Inliner]: procedures = 142, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1682 [2022-11-22 01:58:37,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:58:37,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:58:37,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:58:37,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:58:37,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:58:37,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:58:37,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:58:37,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:58:37,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (1/1) ... [2022-11-22 01:58:37,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:58:37,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:58:37,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:58:37,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:58:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-11-22 01:58:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-11-22 01:58:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-11-22 01:58:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-11-22 01:58:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:58:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:58:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:58:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:58:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:58:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-11-22 01:58:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-11-22 01:58:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-22 01:58:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-22 01:58:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:58:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:58:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-11-22 01:58:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-11-22 01:58:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-11-22 01:58:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-11-22 01:58:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:58:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:58:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:58:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:58:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:58:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:58:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:58:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-11-22 01:58:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-11-22 01:58:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 01:58:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 01:58:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:58:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:58:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:58:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 01:58:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 01:58:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:58:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:58:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:58:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-11-22 01:58:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-11-22 01:58:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:58:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:58:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:58:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:58:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-11-22 01:58:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-11-22 01:58:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-11-22 01:58:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-11-22 01:58:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:58:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 01:58:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 01:58:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:58:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:58:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:58:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:58:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-22 01:58:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-22 01:58:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-11-22 01:58:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-11-22 01:58:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:58:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:58:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:58:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:58:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:58:37,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:58:37,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:58:38,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:58:39,793 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:58:40,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:58:40,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:58:40,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:58:40 BoogieIcfgContainer [2022-11-22 01:58:40,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:58:40,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:58:40,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:58:40,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:58:40,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:58:35" (1/3) ... [2022-11-22 01:58:40,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c35503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:58:40, skipping insertion in model container [2022-11-22 01:58:40,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:58:36" (2/3) ... [2022-11-22 01:58:40,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c35503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:58:40, skipping insertion in model container [2022-11-22 01:58:40,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:58:40" (3/3) ... [2022-11-22 01:58:40,607 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 01:58:40,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:58:40,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:58:40,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:58:40,709 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;@7da4470d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:58:40,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:58:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 192 states have (on average 1.328125) internal successors, (255), 204 states have internal predecessors, (255), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-11-22 01:58:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 01:58:40,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:40,748 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:58:40,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash -188483461, now seen corresponding path program 1 times [2022-11-22 01:58:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:40,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116690005] [2022-11-22 01:58:40,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:58:41,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:41,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116690005] [2022-11-22 01:58:41,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116690005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:41,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:58:41,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:58:41,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970210151] [2022-11-22 01:58:41,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:41,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:58:41,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:41,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:58:41,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:58:41,313 INFO L87 Difference]: Start difference. First operand has 303 states, 192 states have (on average 1.328125) internal successors, (255), 204 states have internal predecessors, (255), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:58:42,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:42,279 INFO L93 Difference]: Finished difference Result 869 states and 1206 transitions. [2022-11-22 01:58:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:58:42,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2022-11-22 01:58:42,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:42,304 INFO L225 Difference]: With dead ends: 869 [2022-11-22 01:58:42,307 INFO L226 Difference]: Without dead ends: 550 [2022-11-22 01:58:42,317 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 [2022-11-22 01:58:42,327 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 373 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:42,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 747 Invalid, 155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:58:42,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-11-22 01:58:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 547. [2022-11-22 01:58:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 352 states have (on average 1.2698863636363635) internal successors, (447), 361 states have internal predecessors, (447), 149 states have call successors, (149), 46 states have call predecessors, (149), 45 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2022-11-22 01:58:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 743 transitions. [2022-11-22 01:58:42,440 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 743 transitions. Word has length 33 [2022-11-22 01:58:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:58:42,441 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 743 transitions. [2022-11-22 01:58:42,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:58:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 743 transitions. [2022-11-22 01:58:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 01:58:42,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:42,444 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 01:58:42,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:58:42,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:42,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1953885302, now seen corresponding path program 1 times [2022-11-22 01:58:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:42,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286372532] [2022-11-22 01:58:42,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:58:42,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:42,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286372532] [2022-11-22 01:58:42,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286372532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:42,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:58:42,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:58:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563413993] [2022-11-22 01:58:42,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:42,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:58:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:58:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:58:42,659 INFO L87 Difference]: Start difference. First operand 547 states and 743 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:58:43,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:43,414 INFO L93 Difference]: Finished difference Result 1062 states and 1441 transitions. [2022-11-22 01:58:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:58:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-11-22 01:58:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:43,433 INFO L225 Difference]: With dead ends: 1062 [2022-11-22 01:58:43,433 INFO L226 Difference]: Without dead ends: 1056 [2022-11-22 01:58:43,434 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 [2022-11-22 01:58:43,441 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 359 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:43,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 687 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:58:43,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-11-22 01:58:43,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2022-11-22 01:58:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 681 states have (on average 1.2672540381791484) internal successors, (863), 698 states have internal predecessors, (863), 285 states have call successors, (285), 90 states have call predecessors, (285), 89 states have return successors, (283), 283 states have call predecessors, (283), 283 states have call successors, (283) [2022-11-22 01:58:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1431 transitions. [2022-11-22 01:58:43,594 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1431 transitions. Word has length 36 [2022-11-22 01:58:43,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:58:43,594 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1431 transitions. [2022-11-22 01:58:43,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:58:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1431 transitions. [2022-11-22 01:58:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-22 01:58:43,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:43,601 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:58:43,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:58:43,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:43,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash 655814776, now seen corresponding path program 1 times [2022-11-22 01:58:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:43,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090768956] [2022-11-22 01:58:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:43,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-22 01:58:43,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:43,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090768956] [2022-11-22 01:58:43,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090768956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:43,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:58:43,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:58:43,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418151778] [2022-11-22 01:58:43,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:43,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:58:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:43,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:58:43,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:58:43,818 INFO L87 Difference]: Start difference. First operand 1056 states and 1431 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:58:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:44,639 INFO L93 Difference]: Finished difference Result 3023 states and 4081 transitions. [2022-11-22 01:58:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:58:44,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2022-11-22 01:58:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:44,664 INFO L225 Difference]: With dead ends: 3023 [2022-11-22 01:58:44,664 INFO L226 Difference]: Without dead ends: 1977 [2022-11-22 01:58:44,670 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 [2022-11-22 01:58:44,674 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 326 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:44,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 689 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:58:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-11-22 01:58:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1972. [2022-11-22 01:58:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1265 states have (on average 1.2608695652173914) internal successors, (1595), 1298 states have internal predecessors, (1595), 531 states have call successors, (531), 176 states have call predecessors, (531), 175 states have return successors, (529), 529 states have call predecessors, (529), 529 states have call successors, (529) [2022-11-22 01:58:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2655 transitions. [2022-11-22 01:58:44,900 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2655 transitions. Word has length 83 [2022-11-22 01:58:44,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:58:44,905 INFO L495 AbstractCegarLoop]: Abstraction has 1972 states and 2655 transitions. [2022-11-22 01:58:44,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:58:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2655 transitions. [2022-11-22 01:58:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-22 01:58:44,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:44,923 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:58:44,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:58:44,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:44,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:44,925 INFO L85 PathProgramCache]: Analyzing trace with hash -540083471, now seen corresponding path program 1 times [2022-11-22 01:58:44,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:44,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210208108] [2022-11-22 01:58:44,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:44,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-22 01:58:45,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:45,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210208108] [2022-11-22 01:58:45,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210208108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:45,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:58:45,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:58:45,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751482988] [2022-11-22 01:58:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:45,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:58:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:58:45,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:58:45,892 INFO L87 Difference]: Start difference. First operand 1972 states and 2655 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:58:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:46,844 INFO L93 Difference]: Finished difference Result 3021 states and 4106 transitions. [2022-11-22 01:58:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:58:46,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-11-22 01:58:46,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:46,864 INFO L225 Difference]: With dead ends: 3021 [2022-11-22 01:58:46,865 INFO L226 Difference]: Without dead ends: 1988 [2022-11-22 01:58:46,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:58:46,874 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 0 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:46,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1257 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:58:46,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-22 01:58:47,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1976. [2022-11-22 01:58:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1267 states have (on average 1.260457774269929) internal successors, (1597), 1302 states have internal predecessors, (1597), 531 states have call successors, (531), 176 states have call predecessors, (531), 177 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-11-22 01:58:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2673 transitions. [2022-11-22 01:58:47,054 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2673 transitions. Word has length 113 [2022-11-22 01:58:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:58:47,055 INFO L495 AbstractCegarLoop]: Abstraction has 1976 states and 2673 transitions. [2022-11-22 01:58:47,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:58:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2673 transitions. [2022-11-22 01:58:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-22 01:58:47,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:47,063 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:58:47,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:58:47,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:47,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1490395360, now seen corresponding path program 1 times [2022-11-22 01:58:47,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:47,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461901404] [2022-11-22 01:58:47,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:47,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-22 01:58:47,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:47,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461901404] [2022-11-22 01:58:47,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461901404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:58:47,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205430339] [2022-11-22 01:58:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:58:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:58:47,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:58:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:58:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:48,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:58:48,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:58:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-22 01:58:48,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:58:48,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205430339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:48,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:58:48,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-22 01:58:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811925159] [2022-11-22 01:58:48,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:48,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:58:48,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:58:48,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:58:48,368 INFO L87 Difference]: Start difference. First operand 1976 states and 2673 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:58:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:49,100 INFO L93 Difference]: Finished difference Result 3942 states and 5336 transitions. [2022-11-22 01:58:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:58:49,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-11-22 01:58:49,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:49,113 INFO L225 Difference]: With dead ends: 3942 [2022-11-22 01:58:49,114 INFO L226 Difference]: Without dead ends: 1977 [2022-11-22 01:58:49,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:58:49,122 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:49,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 948 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:58:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-11-22 01:58:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2022-11-22 01:58:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1268 states have (on average 1.2602523659305993) internal successors, (1598), 1303 states have internal predecessors, (1598), 531 states have call successors, (531), 176 states have call predecessors, (531), 177 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-11-22 01:58:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2674 transitions. [2022-11-22 01:58:49,257 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2674 transitions. Word has length 128 [2022-11-22 01:58:49,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:58:49,258 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2674 transitions. [2022-11-22 01:58:49,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 01:58:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2674 transitions. [2022-11-22 01:58:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-22 01:58:49,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:49,263 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:58:49,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:58:49,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:58:49,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:58:49,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1105224082, now seen corresponding path program 1 times [2022-11-22 01:58:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:49,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544873406] [2022-11-22 01:58:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-22 01:58:50,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:50,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544873406] [2022-11-22 01:58:50,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544873406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:58:50,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021290622] [2022-11-22 01:58:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:50,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:58:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:58:50,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:58:50,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:58:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:51,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-22 01:58:51,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:58:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-22 01:58:51,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:58:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-22 01:58:51,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021290622] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:58:51,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1802732748] [2022-11-22 01:58:51,420 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-22 01:58:51,420 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:58:51,427 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:58:51,433 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:58:51,434 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:58:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:52,898 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-22 01:58:52,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-11-22 01:58:53,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:53,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 122 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 123 [2022-11-22 01:58:53,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:58:53,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:58:53,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 01:58:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 01:58:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 01:58:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:54,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 01:58:55,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 01:58:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 01:58:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:55,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 01:58:57,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:58:57,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:58:57,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:58:57,662 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:58:57,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 103 [2022-11-22 01:58:57,693 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-22 01:58:57,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 101 [2022-11-22 01:58:57,726 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:58:57,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 95 [2022-11-22 01:58:57,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:58:57,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:58:57,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:58:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 01:58:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:58,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 01:58:58,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:58:58,655 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:58:58,659 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 01:59:00,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:59:00,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 01:59:00,507 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:00,514 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:05,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:05,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:05,744 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:05,749 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:06,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:06,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:06,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:06,742 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:11,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:59:11,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:59:11,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:59:11,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:59:11,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:11,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:12,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:12,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:19,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:19,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:21,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:21,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:23,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:59:23,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:59:23,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:59:23,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:59:32,963 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:33,102 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 [2022-11-22 01:59:33,291 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 9 treesize of output 3 [2022-11-22 01:59:36,337 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 [2022-11-22 01:59:36,493 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:36,684 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 9 treesize of output 3 [2022-11-22 01:59:42,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:42,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:42,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:42,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:42,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:42,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:45,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:59:45,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:59:45,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:46,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:46,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:46,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:53,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:53,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:55,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:55,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 01:59:56,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:59:56,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:59:57,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:59:57,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:06,194 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 [2022-11-22 02:00:06,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:00:06,478 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 9 treesize of output 3 [2022-11-22 02:00:09,048 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 [2022-11-22 02:00:09,176 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:00:09,356 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 9 treesize of output 3 [2022-11-22 02:00:14,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:00:14,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:14,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:14,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:00:14,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:14,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:17,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:17,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:18,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:18,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:18,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:18,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:00:22,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:00:22,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:00:22,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:00:25,368 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-22 02:00:25,384 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-22 02:00:26,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:00:26,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:00:26,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:00:26,643 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 109 for LOIs [2022-11-22 02:00:26,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:00:26,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:27,672 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 130 for LOIs [2022-11-22 02:00:27,695 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 63 for LOIs [2022-11-22 02:00:27,700 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-22 02:00:28,222 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:00:28,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:00:28,293 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:00:28,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:00:28,977 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:00:28,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:00:29,060 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:00:29,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:00:31,500 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:00:31,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:00:31,607 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:00:31,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:00:32,347 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-22 02:00:32,424 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-22 02:00:32,430 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-22 02:00:32,453 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:01:48,950 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '31289#(and (<= 0 ~ldv_state_variable_2~0) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:01:48,950 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:01:48,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:01:48,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-22 02:01:48,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063878013] [2022-11-22 02:01:48,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:01:48,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 02:01:48,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:01:48,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 02:01:48,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=6088, Unknown=0, NotChecked=0, Total=6480 [2022-11-22 02:01:48,957 INFO L87 Difference]: Start difference. First operand 1977 states and 2674 transitions. Second operand has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:01:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:01:50,526 INFO L93 Difference]: Finished difference Result 3954 states and 5354 transitions. [2022-11-22 02:01:50,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:01:50,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 130 [2022-11-22 02:01:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:01:50,550 INFO L225 Difference]: With dead ends: 3954 [2022-11-22 02:01:50,551 INFO L226 Difference]: Without dead ends: 1988 [2022-11-22 02:01:50,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 76.8s TimeCoverageRelationStatistics Valid=453, Invalid=7029, Unknown=0, NotChecked=0, Total=7482 [2022-11-22 02:01:50,563 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 11 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2201 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:01:50,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2201 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:01:50,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-22 02:01:50,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1985. [2022-11-22 02:01:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1275 states have (on average 1.2611764705882353) internal successors, (1608), 1310 states have internal predecessors, (1608), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-11-22 02:01:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2684 transitions. [2022-11-22 02:01:50,688 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2684 transitions. Word has length 130 [2022-11-22 02:01:50,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:01:50,688 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2684 transitions. [2022-11-22 02:01:50,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:01:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2684 transitions. [2022-11-22 02:01:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-22 02:01:50,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:01:50,698 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:01:50,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:01:50,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 02:01:50,918 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:01:50,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:01:50,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1036561728, now seen corresponding path program 2 times [2022-11-22 02:01:50,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:01:50,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409793577] [2022-11-22 02:01:50,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:01:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:01:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:01:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-22 02:01:51,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:01:51,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409793577] [2022-11-22 02:01:51,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409793577] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:01:51,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061528435] [2022-11-22 02:01:51,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:01:51,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:01:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:01:51,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:01:51,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:01:52,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 02:01:52,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:01:52,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-22 02:01:52,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:01:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-22 02:01:52,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:01:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-22 02:01:52,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061528435] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:01:52,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2004685456] [2022-11-22 02:01:52,936 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-22 02:01:52,940 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:01:52,940 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:01:52,941 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:01:52,941 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:01:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:53,940 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-22 02:01:53,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-11-22 02:01:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 122 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 123 [2022-11-22 02:01:54,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:01:54,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:01:54,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 02:01:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 02:01:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 02:01:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:54,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 02:01:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 02:01:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 02:01:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:55,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 02:01:55,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:01:55,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:01:55,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:01:55,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2022-11-22 02:01:56,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-11-22 02:01:56,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-11-22 02:01:56,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:01:56,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:01:56,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:01:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:01:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:01:56,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:01:56,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:01:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:01:56,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:56,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:01:57,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:57,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:57,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:57,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:57,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:01:57,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:58,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:58,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:01:58,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:58,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:59,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:59,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:59,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:59,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:01:59,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:00,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:00,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:00,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:00,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:00,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:01,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:01,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:01,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:01,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:02,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:02:02,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:02:02,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:02:02,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:02:02,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:02,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:02,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:02,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:06,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:02:06,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:02:06,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:02:06,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:02:17,015 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 9 treesize of output 3 [2022-11-22 02:02:17,097 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 [2022-11-22 02:02:21,394 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 9 treesize of output 3 [2022-11-22 02:02:21,610 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 [2022-11-22 02:02:23,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:23,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:23,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:24,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:24,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:24,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:26,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:26,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:26,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:26,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:26,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:26,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:27,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:02:27,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:02:27,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:27,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:28,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:28,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:35,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:35,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:37,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:37,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:38,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:02:38,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:02:39,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:02:39,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:02:49,901 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 [2022-11-22 02:02:50,090 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 9 treesize of output 3 [2022-11-22 02:02:53,836 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 9 treesize of output 3 [2022-11-22 02:02:53,964 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 [2022-11-22 02:02:56,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:56,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:56,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:56,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:56,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:56,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:58,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:02:58,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:02:58,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:58,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:59,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:02:59,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:03:07,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:03:07,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:03:07,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:03:10,411 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-22 02:03:10,427 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-22 02:03:11,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:03:11,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:03:11,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:03:11,754 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 113 for LOIs [2022-11-22 02:03:11,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:03:11,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:03:12,630 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 134 for LOIs [2022-11-22 02:03:12,649 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 66 for LOIs [2022-11-22 02:03:12,655 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-22 02:03:13,209 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:03:13,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:03:13,285 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:03:13,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:03:13,811 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:03:13,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:03:13,879 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:03:13,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:03:15,883 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:03:15,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:03:15,945 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:03:15,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:03:16,607 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-22 02:03:16,660 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-22 02:03:16,667 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 104 for LOIs [2022-11-22 02:03:16,685 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:04:29,711 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '41287#(and (= ~ldv_state_variable_2~0 1) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (<= ~major~0 2147483647) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (<= ~ldv_state_variable_1~0 1) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:04:29,712 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:04:29,712 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:04:29,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2022-11-22 02:04:29,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988820120] [2022-11-22 02:04:29,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:04:29,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-22 02:04:29,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:04:29,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-22 02:04:29,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=7039, Unknown=0, NotChecked=0, Total=7482 [2022-11-22 02:04:29,715 INFO L87 Difference]: Start difference. First operand 1985 states and 2684 transitions. Second operand has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-22 02:04:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:04:32,063 INFO L93 Difference]: Finished difference Result 3957 states and 5354 transitions. [2022-11-22 02:04:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 02:04:32,064 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 134 [2022-11-22 02:04:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:04:32,076 INFO L225 Difference]: With dead ends: 3957 [2022-11-22 02:04:32,076 INFO L226 Difference]: Without dead ends: 1988 [2022-11-22 02:04:32,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 73.8s TimeCoverageRelationStatistics Valid=592, Invalid=9308, Unknown=0, NotChecked=0, Total=9900 [2022-11-22 02:04:32,087 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 44 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 2506 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:04:32,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 2506 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 02:04:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-22 02:04:32,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2022-11-22 02:04:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1278 states have (on average 1.2589984350547732) internal successors, (1609), 1313 states have internal predecessors, (1609), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-11-22 02:04:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2685 transitions. [2022-11-22 02:04:32,183 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2685 transitions. Word has length 134 [2022-11-22 02:04:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:04:32,184 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2685 transitions. [2022-11-22 02:04:32,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-22 02:04:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2685 transitions. [2022-11-22 02:04:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-22 02:04:32,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:04:32,190 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:04:32,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:04:32,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:04:32,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:04:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:04:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1083591033, now seen corresponding path program 3 times [2022-11-22 02:04:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:04:32,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101244674] [2022-11-22 02:04:32,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:04:32,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:04:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:04:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-22 02:04:33,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:04:33,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101244674] [2022-11-22 02:04:33,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101244674] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:04:33,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693852460] [2022-11-22 02:04:33,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 02:04:33,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:04:33,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:04:33,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:04:33,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:04:34,371 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 02:04:34,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:04:34,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-22 02:04:34,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:04:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-22 02:04:34,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:04:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-22 02:04:34,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693852460] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:04:34,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [122747349] [2022-11-22 02:04:34,827 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-22 02:04:34,827 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:04:34,828 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:04:34,828 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:04:34,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:04:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:35,438 INFO L321 Elim1Store]: treesize reduction 315, result has 33.7 percent of original size [2022-11-22 02:04:35,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 95 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 80 treesize of output 212 [2022-11-22 02:04:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,236 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-22 02:04:36,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-11-22 02:04:36,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:04:36,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:36,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 02:04:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 02:04:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 02:04:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 02:04:37,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-11-22 02:04:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-11-22 02:04:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:37,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-11-22 02:04:39,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:04:39,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:04:39,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:04:39,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-11-22 02:04:39,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2022-11-22 02:04:39,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-11-22 02:04:39,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:04:39,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:04:39,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:04:39,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:04:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:04:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:39,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:04:39,622 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:40,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:04:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:04:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:41,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-11-22 02:04:41,200 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:44,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:45,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:45,074 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:45,080 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:45,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:45,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:45,842 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:45,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:04:49,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:49,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:04:49,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:49,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:04:49,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:49,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:49,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:49,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:55,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:55,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:57,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:04:57,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:03,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:03,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:05:03,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:03,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:05:09,189 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 [2022-11-22 02:05:09,346 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 9 treesize of output 3 [2022-11-22 02:05:10,474 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 9 treesize of output 3 [2022-11-22 02:05:10,610 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 [2022-11-22 02:05:13,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:05:13,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:13,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:14,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:14,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:14,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:05:16,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:05:16,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:05:17,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:17,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:17,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:17,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:24,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:24,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:27,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:27,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:31,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:31,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:31,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:05:31,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:05:37,333 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 [2022-11-22 02:05:37,529 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 9 treesize of output 3 [2022-11-22 02:05:38,645 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 [2022-11-22 02:05:38,764 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 9 treesize of output 3 [2022-11-22 02:05:41,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:05:41,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:05:42,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:42,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:42,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:42,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-22 02:05:45,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:45,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:05:45,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:05:48,326 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-22 02:05:48,342 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-22 02:05:49,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:05:49,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 02:05:49,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:05:49,477 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 109 for LOIs [2022-11-22 02:05:49,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:05:49,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 02:05:50,303 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 130 for LOIs [2022-11-22 02:05:50,321 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 63 for LOIs [2022-11-22 02:05:50,324 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-22 02:05:50,830 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:05:50,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:05:50,899 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:05:50,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:05:51,584 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:05:51,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:05:51,645 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:05:51,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:05:53,704 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-22 02:05:53,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-11-22 02:05:53,770 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-22 02:05:53,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-11-22 02:05:54,262 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-22 02:05:54,320 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-22 02:05:54,325 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-22 02:05:54,342 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:07:10,481 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '51334#(and (<= 0 ~ldv_state_variable_2~0) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-11-22 02:07:10,481 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:07:10,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:07:10,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-11-22 02:07:10,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146277660] [2022-11-22 02:07:10,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:07:10,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-22 02:07:10,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:07:10,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-22 02:07:10,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=8068, Unknown=0, NotChecked=0, Total=8556 [2022-11-22 02:07:10,486 INFO L87 Difference]: Start difference. First operand 1988 states and 2685 transitions. Second operand has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:07:13,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:13,433 INFO L93 Difference]: Finished difference Result 3963 states and 5360 transitions. [2022-11-22 02:07:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 02:07:13,434 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 137 [2022-11-22 02:07:13,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:13,447 INFO L225 Difference]: With dead ends: 3963 [2022-11-22 02:07:13,447 INFO L226 Difference]: Without dead ends: 1993 [2022-11-22 02:07:13,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 324 SyntacticMatches, 3 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3118 ImplicationChecksByTransitivity, 76.8s TimeCoverageRelationStatistics Valid=609, Invalid=9291, Unknown=0, NotChecked=0, Total=9900 [2022-11-22 02:07:13,458 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 21 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:13,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4713 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 02:07:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2022-11-22 02:07:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1992. [2022-11-22 02:07:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1282 states have (on average 1.2581903276131046) internal successors, (1613), 1317 states have internal predecessors, (1613), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-11-22 02:07:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2689 transitions. [2022-11-22 02:07:13,558 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2689 transitions. Word has length 137 [2022-11-22 02:07:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:13,559 INFO L495 AbstractCegarLoop]: Abstraction has 1992 states and 2689 transitions. [2022-11-22 02:07:13,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:07:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2689 transitions. [2022-11-22 02:07:13,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-22 02:07:13,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:13,565 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:13,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:13,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:07:13,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:13,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1054986656, now seen corresponding path program 4 times [2022-11-22 02:07:13,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:07:13,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948288712] [2022-11-22 02:07:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:13,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:07:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:07:14,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:07:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:07:14,616 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:07:14,616 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:07:14,618 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:07:14,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:07:14,625 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-11-22 02:07:14,630 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:07:14,669 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,671 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,671 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,671 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,671 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,672 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,672 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,672 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,672 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,673 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,673 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,673 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,673 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,674 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,674 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,674 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:07:14,674 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:07:14,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,676 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,676 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,676 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,678 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,678 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:07:14,678 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,678 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:07:14,679 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:07:14,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:07:14 BoogieIcfgContainer [2022-11-22 02:07:14,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:07:14,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:07:14,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:07:14,823 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:07:14,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:58:40" (3/4) ... [2022-11-22 02:07:14,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:07:14,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:07:14,829 INFO L158 Benchmark]: Toolchain (without parser) took 519421.73ms. Allocated memory was 178.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 126.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 427.0MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,829 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:07:14,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1528.63ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 82.9MB in the end (delta: 43.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.91ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 71.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,830 INFO L158 Benchmark]: Boogie Preprocessor took 173.71ms. Allocated memory is still 178.3MB. Free memory was 71.5MB in the beginning and 125.8MB in the end (delta: -54.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,831 INFO L158 Benchmark]: RCFGBuilder took 3326.58ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 125.8MB in the beginning and 142.2MB in the end (delta: -16.3MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,831 INFO L158 Benchmark]: TraceAbstraction took 514225.24ms. Allocated memory was 243.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 375.6MB. Max. memory is 16.1GB. [2022-11-22 02:07:14,831 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 1.7GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:07:14,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1528.63ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 82.9MB in the end (delta: 43.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.91ms. Allocated memory is still 178.3MB. Free memory was 82.9MB in the beginning and 71.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.71ms. Allocated memory is still 178.3MB. Free memory was 71.5MB in the beginning and 125.8MB in the end (delta: -54.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3326.58ms. Allocated memory was 178.3MB in the beginning and 243.3MB in the end (delta: 65.0MB). Free memory was 125.8MB in the beginning and 142.2MB in the end (delta: -16.3MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * TraceAbstraction took 514225.24ms. Allocated memory was 243.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 375.6MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 1.7GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4024. Possible FailurePath: [L3355] int LDV_IN_INTERRUPT = 1; [L3356] struct block_device *virtblk_fops_group0 ; [L3357] int ldv_state_variable_2 ; [L3358] int ref_cnt ; [L3359] int ldv_state_variable_1 ; [L3360] struct virtio_device *virtio_blk_group0 ; [L3361] int ldv_state_variable_0 ; [L3492] static int major ; [L3493] static int index ; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4047] struct virtio_device_id const __mod_virtio_device_table ; [L4048] int ldv_retval_0 ; [L4049] int ldv_retval_1 ; [L4283] int ldv_blk_rq = 0; [L4072] unsigned long ldvarg1 ; [L4073] fmode_t ldvarg3 ; [L4074] struct hd_geometry *ldvarg0 ; [L4075] void *tmp ; [L4076] unsigned int ldvarg2 ; [L4077] int tmp___0 ; [L4078] int tmp___1 ; [L4079] int tmp___2 ; [L4080] int tmp___3 ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={18446744073709551620:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] CALL, EXPR ldv_init_zalloc(16UL) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4082] RET, EXPR ldv_init_zalloc(16UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(16UL)={18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={18446744073709551620:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] tmp = ldv_init_zalloc(16UL) [L4083] ldvarg0 = (struct hd_geometry *)tmp [L4084] FCALL ldv_initialize() [L4085] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); [L4085] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={18446744073709551620:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); [L4086] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={18446744073709551621:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4087] ldvarg2 = __VERIFIER_nondet_ulong () [L4088] ldv_state_variable_1 = 0 [L4089] ref_cnt = 0 [L4090] ldv_state_variable_0 = 1 [L4091] ldv_state_variable_2 = 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: [L4137] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4138] COND TRUE ldv_state_variable_0 == 1 [L4139] CALL, EXPR init() [L4028] int tmp ; [L4030] CALL, EXPR register_blkdev(0U, "virtblk") [L4472] return __VERIFIER_nondet_int(); [L4030] RET, EXPR register_blkdev(0U, "virtblk") [L4030] major = register_blkdev(0U, "virtblk") [L4031] COND FALSE !(major < 0) [L4035] CALL, EXPR register_virtio_driver(& virtio_blk) [L4476] return __VERIFIER_nondet_int(); [L4035] RET, EXPR register_virtio_driver(& virtio_blk) [L4035] tmp = register_virtio_driver(& virtio_blk) [L4036] return (tmp); [L4139] RET, EXPR init() [L4139] ldv_retval_1 = init() [L4140] COND TRUE ldv_retval_1 == 0 [L4141] ldv_state_variable_0 = 3 [L4142] ldv_state_variable_2 = 1 [L4143] CALL ldv_initialize_block_device_operations_2() [L4063] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] CALL, EXPR ldv_init_zalloc(464UL) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4065] RET, EXPR ldv_init_zalloc(464UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(464UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] tmp = ldv_init_zalloc(464UL) [L4066] virtblk_fops_group0 = (struct block_device *)tmp [L4143] RET ldv_initialize_block_device_operations_2() [L4144] ldv_state_variable_1 = 1 [L4145] CALL ldv_initialize_virtio_driver_1() [L4054] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] CALL, EXPR ldv_init_zalloc(1048UL) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-36893488147419103233:0}, ref_cnt=0, size=1048, tmp={-36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-36893488147419103233:0}, ref_cnt=0, size=1048, tmp={-36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4056] RET, EXPR ldv_init_zalloc(1048UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1048UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] tmp = ldv_init_zalloc(1048UL) [L4057] virtio_blk_group0 = (struct virtio_device *)tmp [L4145] RET ldv_initialize_virtio_driver_1() [L4148] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: [L4163] case 2: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4164] COND TRUE ldv_state_variable_2 != 0 [L4165] tmp___3 = __VERIFIER_nondet_int() [L4167] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4168] COND TRUE ldv_state_variable_2 == 1 [L4169] EXPR \read(ldvarg3) [L4169] EXPR \read(ldvarg1) [L4169] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3756] struct gendisk *disk ; [L3757] struct virtio_blk *vblk ; [L3758] void *usr_data ; [L3759] char id_str[20U] ; [L3760] int err ; [L3761] int tmp ; [L3762] bool tmp___0 ; [L3763] int tmp___1 ; [L3764] int tmp___2 ; [L3766] EXPR bdev->bd_disk [L3766] disk = bdev->bd_disk [L3767] EXPR disk->private_data [L3767] vblk = (struct virtio_blk *)disk->private_data [L3768] COND TRUE cmd == 1447184708U [L3769] usr_data = (void *)data [L3770] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3723] struct virtio_blk *vblk ; [L3724] struct request *req ; [L3725] struct bio *bio ; [L3726] long tmp ; [L3727] long tmp___0 ; [L3728] long tmp___1 ; [L3729] long tmp___2 ; [L3730] int tmp___3 ; [L3732] EXPR disk->private_data [L3732] vblk = (struct virtio_blk *)disk->private_data [L3733] EXPR vblk->disk [L3733] EXPR (vblk->disk)->queue [L3733] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4381] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(size)=112, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND TRUE tmp___0 != 0 [L3260] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4381] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, arg0={18446744073709551622:18446744073709551634}, arg0={18446744073709551622:18446744073709551634}, arg1={18446744073709551619:0}, arg1={18446744073709551619:0}, arg2=20, arg3=208, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4381] return ldv_malloc(sizeof(struct bio)); [L3733] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3733] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3734] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3734] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3734] tmp___0 = IS_ERR((void const *)bio) [L3735] COND FALSE !(tmp___0 != 0L) [L3740] EXPR vblk->disk [L3740] EXPR (vblk->disk)->queue [L3740] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4225] struct request *tmp ; [L4227] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4309] struct request *res ; [L4310] long tmp___0 ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4312] COND FALSE !(ldv_blk_rq != 0) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND FALSE !(tmp___0 != 0) [L3262] tmp = malloc(size) [L3263] p = tmp VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3264] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3249] COND FALSE !(!cond) [L3264] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3265] RET, EXPR IS_ERR(p) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3265] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3249] COND FALSE !(!cond) [L3265] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3266] return (p); VAL [\old(size)=322, \result={-18446744073709549604:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={-18446744073709549604:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] res = ldv_malloc(sizeof(struct request)) [L4317] COND FALSE !((unsigned long )res == (unsigned long )((struct request *)0)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709549604:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4321] CALL, EXPR IS_ERR___0((void const *)res) [L4277] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4279] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3333] return (exp); [L4279] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4279] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4280] return (tmp); [L4321] RET, EXPR IS_ERR___0((void const *)res) [L4321] tmp___0 = IS_ERR___0((void const *)res) [L4322] COND TRUE tmp___0 == 0L [L4323] ldv_blk_rq = 1 [L4326] return (res); [L4227] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4227] tmp = ldv_blk_make_request(ldv_func_arg3) [L4228] return (tmp); [L3740] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3740] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3741] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3741] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709549604:0}, tmp___0=0, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3741] tmp___2 = IS_ERR((void const *)req) [L3742] COND FALSE !(tmp___2 != 0L) [L3748] req->cmd_type = 7 [L3749] EXPR vblk->disk [L3749] EXPR (vblk->disk)->queue [L3749] EXPR vblk->disk [L3749] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4391] return __VERIFIER_nondet_int(); [L3749] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3749] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3750] return (tmp___3); VAL [\result=-14, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709549604:0}, tmp___0=0, tmp___2=0, tmp___3=-14, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3770] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3770] err = virtblk_get_id(disk, (char *)(& id_str)) [L3771] COND FALSE !(err == 0) [L3779] return (err); [L3779] return (err); VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, \result=-14, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, bdev={-18446744073709551617:0}, bdev={-18446744073709551617:0}, cmd=1447184708, copy_to_user(usr_data, (void const *)(& id_str), 20U)=18446744073709551633, data=0, disk={18446744073709551632:15}, err=-14, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, tmp=-4, usr_data={0:0}, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4169] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4170] ldv_state_variable_2 = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4130] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4131] CALL fini() [L4042] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4043] FCALL unregister_virtio_driver(& virtio_blk) [L4131] RET fini() [L4132] ldv_state_variable_0 = 2 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551620:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4194] CALL ldv_check_final_state() [L4343] COND TRUE ldv_blk_rq != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4344] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4236] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 304 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 513.9s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1135 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1135 mSDsluCounter, 13748 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10975 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3424 IncrementalHoareTripleChecker+Invalid, 3506 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 2773 mSDtfsCounter, 3424 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1392 GetRequests, 1093 SyntacticMatches, 7 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8468 ImplicationChecksByTransitivity, 227.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1992occurred in iteration=8, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1463 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 2318 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5051 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1060/1214 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 02:07:15,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba --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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:07:17,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:07:17,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:07:17,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:07:17,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:07:17,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:07:17,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:07:17,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:07:17,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:07:17,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:07:17,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:07:17,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:07:17,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:07:17,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:07:17,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:07:17,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:07:17,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:07:17,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:07:17,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:07:17,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:07:17,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:07:17,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:07:17,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:07:17,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:07:17,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:07:17,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:07:17,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:07:17,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:07:17,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:07:17,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:07:17,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:07:17,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:07:17,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:07:17,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:07:17,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:07:17,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:07:17,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:07:17,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:07:17,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:07:17,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:07:17,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:07:17,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 02:07:17,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:07:17,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:07:17,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:07:17,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:07:17,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:07:17,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:07:17,538 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:07:17,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:07:17,538 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:07:17,538 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:07:17,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:07:17,540 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:07:17,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:07:17,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:07:17,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:07:17,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:07:17,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:07:17,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:07:17,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:07:17,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:07:17,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:07:17,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:07:17,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:07:17,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:07:17,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:07:17,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:07:17,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:07:17,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:07:17,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:07:17,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:07:17,544 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:07:17,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:17,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:07:17,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:07:17,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:07:17,546 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-11-22 02:07:17,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:07:18,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:07:18,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:07:18,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:07:18,013 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:07:18,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 02:07:21,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:07:21,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:07:21,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 02:07:21,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/8d4822fcf/fd3853eb1d6c4873b64309b5cfaa64ff/FLAGa61c8ddb0 [2022-11-22 02:07:21,734 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/data/8d4822fcf/fd3853eb1d6c4873b64309b5cfaa64ff [2022-11-22 02:07:21,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:07:21,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:07:21,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:07:21,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:07:21,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:07:21,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:07:21" (1/1) ... [2022-11-22 02:07:21,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4613a59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:21, skipping insertion in model container [2022-11-22 02:07:21,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:07:21" (1/1) ... [2022-11-22 02:07:21,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:07:21,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:07:22,899 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-11-22 02:07:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:07:22,977 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 02:07:23,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:07:23,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-11-22 02:07:23,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:07:23,237 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:07:23,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-11-22 02:07:23,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:07:23,588 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:07:23,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23 WrapperNode [2022-11-22 02:07:23,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:07:23,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:07:23,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:07:23,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:07:23,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,811 INFO L138 Inliner]: procedures = 149, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1621 [2022-11-22 02:07:23,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:07:23,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:07:23,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:07:23,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:07:23,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:07:23,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:07:23,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:07:23,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:07:23,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (1/1) ... [2022-11-22 02:07:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:07:23,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:07:23,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:07:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:07:24,037 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-11-22 02:07:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-11-22 02:07:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-22 02:07:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-22 02:07:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 02:07:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-11-22 02:07:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-11-22 02:07:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-22 02:07:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:07:24,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:07:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:07:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:07:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-11-22 02:07:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-11-22 02:07:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-11-22 02:07:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-11-22 02:07:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:07:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:07:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-11-22 02:07:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-11-22 02:07:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-11-22 02:07:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-11-22 02:07:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:07:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:07:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:07:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:07:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:07:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:07:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-11-22 02:07:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-11-22 02:07:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 02:07:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 02:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:07:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 02:07:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 02:07:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:07:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-11-22 02:07:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-11-22 02:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:07:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:07:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:07:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:07:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-11-22 02:07:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-11-22 02:07:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-11-22 02:07:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-11-22 02:07:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:07:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 02:07:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 02:07:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:07:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:07:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-22 02:07:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 02:07:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 02:07:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-22 02:07:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-22 02:07:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-11-22 02:07:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-11-22 02:07:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:07:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:07:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:07:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:07:24,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:07:24,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:07:28,687 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:07:32,223 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:07:32,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:07:32,242 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:07:32,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:07:32 BoogieIcfgContainer [2022-11-22 02:07:32,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:07:32,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:07:32,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:07:32,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:07:32,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:07:21" (1/3) ... [2022-11-22 02:07:32,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf1284a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:07:32, skipping insertion in model container [2022-11-22 02:07:32,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:07:23" (2/3) ... [2022-11-22 02:07:32,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf1284a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:07:32, skipping insertion in model container [2022-11-22 02:07:32,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:07:32" (3/3) ... [2022-11-22 02:07:32,259 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-22 02:07:32,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:07:32,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:07:32,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:07:32,367 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;@697da1d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:07:32,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:07:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 358 states have internal predecessors, (447), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-11-22 02:07:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 02:07:32,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:32,389 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 02:07:32,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:32,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:32,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1119521097, now seen corresponding path program 1 times [2022-11-22 02:07:32,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:32,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188176086] [2022-11-22 02:07:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:32,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:32,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:32,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:32,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 02:07:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:32,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-22 02:07:32,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:07:32,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:32,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:32,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188176086] [2022-11-22 02:07:32,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188176086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:32,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:07:32,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:07:32,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686415971] [2022-11-22 02:07:32,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:32,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:07:32,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:32,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:07:32,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:07:32,986 INFO L87 Difference]: Start difference. First operand has 457 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 358 states have internal predecessors, (447), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 02:07:33,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:33,104 INFO L93 Difference]: Finished difference Result 909 states and 1235 transitions. [2022-11-22 02:07:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:07:33,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-22 02:07:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:33,120 INFO L225 Difference]: With dead ends: 909 [2022-11-22 02:07:33,120 INFO L226 Difference]: Without dead ends: 439 [2022-11-22 02:07:33,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:07:33,131 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:33,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:07:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-11-22 02:07:33,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2022-11-22 02:07:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 335 states have (on average 1.2597014925373133) internal successors, (422), 340 states have internal predecessors, (422), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-11-22 02:07:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 578 transitions. [2022-11-22 02:07:33,205 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 578 transitions. Word has length 46 [2022-11-22 02:07:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:33,205 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 578 transitions. [2022-11-22 02:07:33,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 02:07:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 578 transitions. [2022-11-22 02:07:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 02:07:33,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:33,208 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-22 02:07:33,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:33,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:33,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:33,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash 275515595, now seen corresponding path program 1 times [2022-11-22 02:07:33,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:33,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499132638] [2022-11-22 02:07:33,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:33,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:33,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:33,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:33,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 02:07:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:33,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:07:33,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:07:33,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:33,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:33,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499132638] [2022-11-22 02:07:33,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499132638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:33,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:07:33,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:07:33,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425352246] [2022-11-22 02:07:33,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:33,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:07:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:07:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:07:33,962 INFO L87 Difference]: Start difference. First operand 439 states and 578 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 02:07:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:34,125 INFO L93 Difference]: Finished difference Result 876 states and 1154 transitions. [2022-11-22 02:07:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:07:34,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-22 02:07:34,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:34,132 INFO L225 Difference]: With dead ends: 876 [2022-11-22 02:07:34,132 INFO L226 Difference]: Without dead ends: 440 [2022-11-22 02:07:34,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:07:34,135 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 3 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:34,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1723 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:07:34,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-22 02:07:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-11-22 02:07:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 336 states have (on average 1.2589285714285714) internal successors, (423), 341 states have internal predecessors, (423), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-11-22 02:07:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 579 transitions. [2022-11-22 02:07:34,167 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 579 transitions. Word has length 46 [2022-11-22 02:07:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:34,169 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 579 transitions. [2022-11-22 02:07:34,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 02:07:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 579 transitions. [2022-11-22 02:07:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-22 02:07:34,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:34,171 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:34,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:34,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:34,379 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 204883235, now seen corresponding path program 1 times [2022-11-22 02:07:34,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:34,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618950342] [2022-11-22 02:07:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:34,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:34,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:34,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:34,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 02:07:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:34,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:34,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:07:34,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:07:35,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:35,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618950342] [2022-11-22 02:07:35,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618950342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:35,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2050247235] [2022-11-22 02:07:35,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:35,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:35,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:35,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-22 02:07:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:35,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:07:35,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 02:07:36,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:36,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2050247235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:36,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 02:07:36,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-22 02:07:36,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918669486] [2022-11-22 02:07:36,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:36,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:07:36,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:36,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:07:36,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:07:36,085 INFO L87 Difference]: Start difference. First operand 440 states and 579 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 02:07:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:36,201 INFO L93 Difference]: Finished difference Result 857 states and 1129 transitions. [2022-11-22 02:07:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:07:36,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2022-11-22 02:07:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:36,216 INFO L225 Difference]: With dead ends: 857 [2022-11-22 02:07:36,216 INFO L226 Difference]: Without dead ends: 848 [2022-11-22 02:07:36,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:07:36,224 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 532 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:36,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1207 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:07:36,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2022-11-22 02:07:36,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2022-11-22 02:07:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 649 states have (on average 1.2604006163328196) internal successors, (818), 658 states have internal predecessors, (818), 151 states have call successors, (151), 48 states have call predecessors, (151), 47 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2022-11-22 02:07:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1118 transitions. [2022-11-22 02:07:36,328 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1118 transitions. Word has length 48 [2022-11-22 02:07:36,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:36,329 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1118 transitions. [2022-11-22 02:07:36,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 02:07:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1118 transitions. [2022-11-22 02:07:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:07:36,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:36,344 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:36,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:36,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:36,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:36,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:36,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:36,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1655512125, now seen corresponding path program 1 times [2022-11-22 02:07:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:36,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843298031] [2022-11-22 02:07:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:36,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:36,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:36,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:36,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-22 02:07:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:37,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:37,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-22 02:07:37,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-22 02:07:37,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:37,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843298031] [2022-11-22 02:07:37,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843298031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:37,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [931172430] [2022-11-22 02:07:37,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:37,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:37,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:37,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:37,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-22 02:07:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:38,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:07:38,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-22 02:07:38,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:38,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [931172430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:38,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 02:07:38,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-22 02:07:38,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986542963] [2022-11-22 02:07:38,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:38,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:07:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:38,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:07:38,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:07:38,493 INFO L87 Difference]: Start difference. First operand 848 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 02:07:38,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:38,670 INFO L93 Difference]: Finished difference Result 2393 states and 3151 transitions. [2022-11-22 02:07:38,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:07:38,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2022-11-22 02:07:38,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:38,681 INFO L225 Difference]: With dead ends: 2393 [2022-11-22 02:07:38,681 INFO L226 Difference]: Without dead ends: 1560 [2022-11-22 02:07:38,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:07:38,685 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 485 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:38,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:07:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-11-22 02:07:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1552. [2022-11-22 02:07:38,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1185 states have (on average 1.2607594936708861) internal successors, (1494), 1202 states have internal predecessors, (1494), 275 states have call successors, (275), 92 states have call predecessors, (275), 91 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-11-22 02:07:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2042 transitions. [2022-11-22 02:07:38,800 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2042 transitions. Word has length 109 [2022-11-22 02:07:38,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:38,801 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 2042 transitions. [2022-11-22 02:07:38,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 02:07:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2042 transitions. [2022-11-22 02:07:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-22 02:07:38,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:38,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:38,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:39,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:39,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:39,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:39,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1260551148, now seen corresponding path program 1 times [2022-11-22 02:07:39,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:39,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070996809] [2022-11-22 02:07:39,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:39,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:39,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:39,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:39,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-22 02:07:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:39,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:39,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 02:07:39,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-22 02:07:40,271 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:40,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070996809] [2022-11-22 02:07:40,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070996809] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:40,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [202688768] [2022-11-22 02:07:40,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:40,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-11-22 02:07:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:40,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:07:40,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 02:07:41,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:41,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [202688768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:41,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 02:07:41,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2022-11-22 02:07:41,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572325507] [2022-11-22 02:07:41,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:41,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:07:41,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:41,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:07:41,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:07:41,127 INFO L87 Difference]: Start difference. First operand 1552 states and 2042 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 02:07:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:41,303 INFO L93 Difference]: Finished difference Result 3089 states and 4093 transitions. [2022-11-22 02:07:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:07:41,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 155 [2022-11-22 02:07:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:41,318 INFO L225 Difference]: With dead ends: 3089 [2022-11-22 02:07:41,318 INFO L226 Difference]: Without dead ends: 1560 [2022-11-22 02:07:41,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:07:41,327 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 0 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:41,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2292 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:07:41,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-11-22 02:07:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1554. [2022-11-22 02:07:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1186 states have (on average 1.260539629005059) internal successors, (1495), 1204 states have internal predecessors, (1495), 275 states have call successors, (275), 92 states have call predecessors, (275), 92 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-11-22 02:07:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2051 transitions. [2022-11-22 02:07:41,433 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2051 transitions. Word has length 155 [2022-11-22 02:07:41,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:41,436 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2051 transitions. [2022-11-22 02:07:41,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 02:07:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2051 transitions. [2022-11-22 02:07:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-22 02:07:41,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:41,442 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:41,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:41,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:41,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:41,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash 135573017, now seen corresponding path program 1 times [2022-11-22 02:07:41,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:41,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577583663] [2022-11-22 02:07:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:41,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:41,851 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:41,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-22 02:07:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:42,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 02:07:42,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-22 02:07:42,875 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:42,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577583663] [2022-11-22 02:07:42,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577583663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:42,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2132380723] [2022-11-22 02:07:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:42,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:42,888 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:42,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-22 02:07:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:44,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 02:07:44,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-22 02:07:44,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2132380723] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:44,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813697320] [2022-11-22 02:07:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:44,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:07:44,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:07:44,355 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:07:44,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 02:07:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:44,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 02:07:44,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-22 02:07:44,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:07:44,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813697320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:44,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-22 02:07:44,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5, 5] total 10 [2022-11-22 02:07:44,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269825738] [2022-11-22 02:07:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:44,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:07:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:44,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:07:44,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 02:07:44,986 INFO L87 Difference]: Start difference. First operand 1554 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 02:07:45,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:45,162 INFO L93 Difference]: Finished difference Result 3100 states and 4096 transitions. [2022-11-22 02:07:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:07:45,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-11-22 02:07:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:45,172 INFO L225 Difference]: With dead ends: 3100 [2022-11-22 02:07:45,172 INFO L226 Difference]: Without dead ends: 1565 [2022-11-22 02:07:45,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:07:45,179 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 10 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:45,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1727 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:07:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-22 02:07:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1557. [2022-11-22 02:07:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1189 states have (on average 1.2582001682085786) internal successors, (1496), 1207 states have internal predecessors, (1496), 275 states have call successors, (275), 92 states have call predecessors, (275), 92 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-11-22 02:07:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2052 transitions. [2022-11-22 02:07:45,257 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2052 transitions. Word has length 175 [2022-11-22 02:07:45,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:45,257 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2052 transitions. [2022-11-22 02:07:45,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 02:07:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2052 transitions. [2022-11-22 02:07:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-22 02:07:45,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:45,263 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:45,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:45,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:45,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:45,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:45,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:45,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:45,878 INFO L85 PathProgramCache]: Analyzing trace with hash 666316361, now seen corresponding path program 1 times [2022-11-22 02:07:45,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:45,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959563223] [2022-11-22 02:07:45,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:45,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:45,881 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-22 02:07:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:46,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:46,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 02:07:46,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:46,899 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-22 02:07:46,899 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:46,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959563223] [2022-11-22 02:07:46,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959563223] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:46,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1108273107] [2022-11-22 02:07:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:46,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:46,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:46,902 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:46,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-22 02:07:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:48,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:48,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 02:07:48,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-22 02:07:48,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1108273107] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:48,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115507943] [2022-11-22 02:07:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:48,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:07:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:07:48,250 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:07:48,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-22 02:07:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:48,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:07:48,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 02:07:48,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-22 02:07:49,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115507943] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:49,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:07:49,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-22 02:07:49,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303235034] [2022-11-22 02:07:49,054 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:07:49,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:07:49,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:49,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:07:49,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:07:49,056 INFO L87 Difference]: Start difference. First operand 1557 states and 2052 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:07:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:49,517 INFO L93 Difference]: Finished difference Result 3111 states and 4105 transitions. [2022-11-22 02:07:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 02:07:49,519 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 176 [2022-11-22 02:07:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:49,531 INFO L225 Difference]: With dead ends: 3111 [2022-11-22 02:07:49,532 INFO L226 Difference]: Without dead ends: 1567 [2022-11-22 02:07:49,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 1044 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-22 02:07:49,538 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 17 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:49,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2869 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:07:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-11-22 02:07:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1567. [2022-11-22 02:07:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1198 states have (on average 1.2587646076794659) internal successors, (1508), 1216 states have internal predecessors, (1508), 275 states have call successors, (275), 93 states have call predecessors, (275), 93 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-11-22 02:07:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2064 transitions. [2022-11-22 02:07:49,652 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2064 transitions. Word has length 176 [2022-11-22 02:07:49,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:49,653 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2064 transitions. [2022-11-22 02:07:49,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:07:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2064 transitions. [2022-11-22 02:07:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-22 02:07:49,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:49,660 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:49,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:49,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:50,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:50,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:50,276 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash -2026420815, now seen corresponding path program 2 times [2022-11-22 02:07:50,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:50,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66723110] [2022-11-22 02:07:50,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:07:50,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:50,279 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:50,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-22 02:07:51,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:07:51,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:07:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:07:51,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-22 02:07:51,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-22 02:07:52,240 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:07:52,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66723110] [2022-11-22 02:07:52,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66723110] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:52,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [729049779] [2022-11-22 02:07:52,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:07:52,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 02:07:52,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 02:07:52,246 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 02:07:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-22 02:07:54,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:07:54,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:07:54,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:07:54,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-22 02:07:54,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-22 02:07:54,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [729049779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:54,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672220006] [2022-11-22 02:07:54,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 02:07:54,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:07:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:07:54,552 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:07:54,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-22 02:07:55,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 02:07:55,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:07:55,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 02:07:55,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:07:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-22 02:07:55,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:07:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-22 02:07:56,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672220006] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:07:56,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 02:07:56,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2022-11-22 02:07:56,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024788839] [2022-11-22 02:07:56,117 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 02:07:56,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-22 02:07:56,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:07:56,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-22 02:07:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-11-22 02:07:56,119 INFO L87 Difference]: Start difference. First operand 1567 states and 2064 transitions. Second operand has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 02:07:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:57,647 INFO L93 Difference]: Finished difference Result 3127 states and 4124 transitions. [2022-11-22 02:07:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 02:07:57,649 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 180 [2022-11-22 02:07:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:57,658 INFO L225 Difference]: With dead ends: 3127 [2022-11-22 02:07:57,658 INFO L226 Difference]: Without dead ends: 1573 [2022-11-22 02:07:57,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=352, Invalid=980, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 02:07:57,665 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 123 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 5746 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:57,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 5746 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:07:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-22 02:07:57,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1573. [2022-11-22 02:07:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1204 states have (on average 1.254983388704319) internal successors, (1511), 1222 states have internal predecessors, (1511), 275 states have call successors, (275), 93 states have call predecessors, (275), 93 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-11-22 02:07:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2067 transitions. [2022-11-22 02:07:57,739 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2067 transitions. Word has length 180 [2022-11-22 02:07:57,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:57,739 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2067 transitions. [2022-11-22 02:07:57,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 02:07:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2067 transitions. [2022-11-22 02:07:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-22 02:07:57,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:57,745 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:57,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:57,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-11-22 02:07:58,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-22 02:07:58,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:07:58,358 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:58,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1476408975, now seen corresponding path program 3 times [2022-11-22 02:07:58,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:07:58,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034059885] [2022-11-22 02:07:58,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:07:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:07:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:07:58,361 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 02:07:58,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-22 02:08:02,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-22 02:08:02,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-22 02:08:02,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:08:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:08:06,042 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-22 02:08:06,043 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:08:06,044 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:08:06,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-22 02:08:06,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 02:08:06,266 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:06,270 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:08:06,306 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,312 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,313 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,313 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,313 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,313 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,314 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,314 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,315 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,315 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,315 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,315 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,316 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,317 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,317 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,317 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,317 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,318 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,318 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,318 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,318 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,318 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,319 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,324 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,324 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,324 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,324 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,324 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,325 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,325 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,325 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-22 02:08:06,325 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-22 02:08:06,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *~vq_callback_t~0 at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:300) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 02:08:06,467 INFO L158 Benchmark]: Toolchain (without parser) took 44728.64ms. Allocated memory was 73.4MB in the beginning and 255.9MB in the end (delta: 182.5MB). Free memory was 43.6MB in the beginning and 121.1MB in the end (delta: -77.5MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,467 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:08:06,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1845.54ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.6MB in the beginning and 30.8MB in the end (delta: 12.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.45ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 30.8MB in the beginning and 67.3MB in the end (delta: -36.4MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,468 INFO L158 Benchmark]: Boogie Preprocessor took 128.47ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 56.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,469 INFO L158 Benchmark]: RCFGBuilder took 8303.59ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 56.1MB in the beginning and 94.5MB in the end (delta: -38.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,469 INFO L158 Benchmark]: TraceAbstraction took 34216.87ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 93.3MB in the beginning and 121.1MB in the end (delta: -27.8MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-11-22 02:08:06,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1845.54ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.6MB in the beginning and 30.8MB in the end (delta: 12.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.45ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 30.8MB in the beginning and 67.3MB in the end (delta: -36.4MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.47ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 56.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8303.59ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 56.1MB in the beginning and 94.5MB in the end (delta: -38.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34216.87ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 93.3MB in the beginning and 121.1MB in the end (delta: -27.8MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~vq_callback_t~0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *~vq_callback_t~0: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 02:08:06,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00bb228f-103c-4089-9538-12e751d905a3/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~vq_callback_t~0