./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- 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 [2022-11-21 17:06:26,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:06:26,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:06:26,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:06:26,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:06:26,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:06:26,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:06:26,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:06:26,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:06:26,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:06:26,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:06:26,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:06:26,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:06:26,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:06:26,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:06:26,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:06:26,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:06:26,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:06:26,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:06:26,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:06:26,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:06:26,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:06:26,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:06:26,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:06:26,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:06:26,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:06:26,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:06:26,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:06:26,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:06:26,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:06:26,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:06:26,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:06:26,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:06:26,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:06:26,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:06:26,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:06:26,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:06:26,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:06:26,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:06:26,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:06:26,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:06:26,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:06:26,315 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:06:26,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:06:26,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:06:26,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:06:26,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:06:26,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:06:26,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:06:26,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:06:26,319 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:06:26,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:06:26,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:06:26,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:06:26,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:06:26,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:06:26,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:06:26,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:06:26,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:06:26,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:06:26,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:06:26,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:06:26,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:06:26,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:06:26,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:06:26,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:06:26,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:06:26,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:06:26,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:06:26,325 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:06:26,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:06:26,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:06:26,327 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_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2022-11-21 17:06:26,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:06:26,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:06:26,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:06:26,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:06:26,658 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:06:26,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-11-21 17:06:29,764 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:06:30,485 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:06:30,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-11-21 17:06:30,537 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/data/46b630c53/bd2b2a5fd6f543d3a6570c105b51414b/FLAG240411e16 [2022-11-21 17:06:30,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/data/46b630c53/bd2b2a5fd6f543d3a6570c105b51414b [2022-11-21 17:06:30,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:06:30,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:06:30,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:06:30,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:06:30,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:06:30,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:06:30" (1/1) ... [2022-11-21 17:06:30,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57da5f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:30, skipping insertion in model container [2022-11-21 17:06:30,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:06:30" (1/1) ... [2022-11-21 17:06:30,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:06:30,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:06:33,496 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_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2022-11-21 17:06:33,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:06:33,661 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:06:34,260 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_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2022-11-21 17:06:34,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:06:34,471 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:06:34,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34 WrapperNode [2022-11-21 17:06:34,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:06:34,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:06:34,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:06:34,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:06:34,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:34,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,005 INFO L138 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 9996 [2022-11-21 17:06:35,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:06:35,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:06:35,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:06:35,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:06:35,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:06:35,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:06:35,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:06:35,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:06:35,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (1/1) ... [2022-11-21 17:06:35,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:06:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:06:35,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:06:35,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2517eba6-3e8d-4684-97c9-2b5e0f3bc805/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:06:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 17:06:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 17:06:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2022-11-21 17:06:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2022-11-21 17:06:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2022-11-21 17:06:35,747 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2022-11-21 17:06:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2022-11-21 17:06:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2022-11-21 17:06:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2022-11-21 17:06:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2022-11-21 17:06:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-21 17:06:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-21 17:06:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2022-11-21 17:06:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2022-11-21 17:06:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-21 17:06:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-21 17:06:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:06:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:06:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:06:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:06:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:06:35,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:06:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2022-11-21 17:06:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2022-11-21 17:06:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2022-11-21 17:06:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2022-11-21 17:06:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2022-11-21 17:06:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2022-11-21 17:06:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2022-11-21 17:06:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2022-11-21 17:06:35,752 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2022-11-21 17:06:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2022-11-21 17:06:35,753 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-11-21 17:06:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-11-21 17:06:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2022-11-21 17:06:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2022-11-21 17:06:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 17:06:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 17:06:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2022-11-21 17:06:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2022-11-21 17:06:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:06:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:06:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2022-11-21 17:06:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2022-11-21 17:06:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 17:06:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 17:06:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2022-11-21 17:06:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2022-11-21 17:06:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2022-11-21 17:06:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2022-11-21 17:06:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2022-11-21 17:06:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2022-11-21 17:06:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 17:06:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 17:06:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-21 17:06:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-21 17:06:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:06:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:06:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2022-11-21 17:06:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2022-11-21 17:06:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2022-11-21 17:06:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2022-11-21 17:06:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2022-11-21 17:06:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2022-11-21 17:06:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-21 17:06:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-21 17:06:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2022-11-21 17:06:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2022-11-21 17:06:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 17:06:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 17:06:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2022-11-21 17:06:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2022-11-21 17:06:35,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 17:06:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 17:06:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 17:06:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 17:06:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:06:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:06:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2022-11-21 17:06:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2022-11-21 17:06:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2022-11-21 17:06:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2022-11-21 17:06:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:06:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:06:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2022-11-21 17:06:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2022-11-21 17:06:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2022-11-21 17:06:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2022-11-21 17:06:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-21 17:06:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-21 17:06:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 17:06:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 17:06:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2022-11-21 17:06:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2022-11-21 17:06:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 17:06:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 17:06:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2022-11-21 17:06:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2022-11-21 17:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 17:06:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2022-11-21 17:06:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2022-11-21 17:06:35,772 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2022-11-21 17:06:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2022-11-21 17:06:35,772 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2022-11-21 17:06:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2022-11-21 17:06:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2022-11-21 17:06:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2022-11-21 17:06:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2022-11-21 17:06:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2022-11-21 17:06:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:06:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2022-11-21 17:06:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2022-11-21 17:06:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-21 17:06:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-21 17:06:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-21 17:06:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-21 17:06:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-21 17:06:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 17:06:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 17:06:35,779 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2022-11-21 17:06:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2022-11-21 17:06:35,780 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-21 17:06:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-21 17:06:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2022-11-21 17:06:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2022-11-21 17:06:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 17:06:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 17:06:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:06:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:06:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-21 17:06:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-21 17:06:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2022-11-21 17:06:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2022-11-21 17:06:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2022-11-21 17:06:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2022-11-21 17:06:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2022-11-21 17:06:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2022-11-21 17:06:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-21 17:06:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-21 17:06:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 17:06:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 17:06:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-21 17:06:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-21 17:06:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-21 17:06:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-21 17:06:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:06:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:06:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-11-21 17:06:35,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-11-21 17:06:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 17:06:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 17:06:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-21 17:06:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-21 17:06:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 17:06:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 17:06:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2022-11-21 17:06:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2022-11-21 17:06:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 17:06:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 17:06:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2022-11-21 17:06:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2022-11-21 17:06:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2022-11-21 17:06:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2022-11-21 17:06:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:06:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-21 17:06:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-21 17:06:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2022-11-21 17:06:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2022-11-21 17:06:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 17:06:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 17:06:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:06:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2022-11-21 17:06:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2022-11-21 17:06:35,795 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2022-11-21 17:06:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2022-11-21 17:06:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2022-11-21 17:06:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2022-11-21 17:06:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-21 17:06:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-21 17:06:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:06:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2022-11-21 17:06:35,796 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2022-11-21 17:06:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:06:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:06:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-11-21 17:06:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-11-21 17:06:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2022-11-21 17:06:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2022-11-21 17:06:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-21 17:06:35,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-21 17:06:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2022-11-21 17:06:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2022-11-21 17:06:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:06:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:06:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 17:06:35,798 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 17:06:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2022-11-21 17:06:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2022-11-21 17:06:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-21 17:06:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-21 17:06:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:06:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 17:06:35,799 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 17:06:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-11-21 17:06:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-11-21 17:06:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-21 17:06:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-21 17:06:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-21 17:06:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-21 17:06:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-21 17:06:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-21 17:06:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:06:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:06:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 17:06:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 17:06:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 17:06:35,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 17:06:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:06:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2022-11-21 17:06:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2022-11-21 17:06:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 17:06:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 17:06:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 17:06:35,802 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 17:06:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:06:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2022-11-21 17:06:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2022-11-21 17:06:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 17:06:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-21 17:06:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 17:06:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 17:06:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-21 17:06:35,803 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-21 17:06:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:06:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2022-11-21 17:06:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2022-11-21 17:06:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 17:06:35,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 17:06:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 17:06:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:06:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 17:06:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-21 17:06:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-21 17:06:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 17:06:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 17:06:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2022-11-21 17:06:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2022-11-21 17:06:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:06:35,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 17:06:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2022-11-21 17:06:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2022-11-21 17:06:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2022-11-21 17:06:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2022-11-21 17:06:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2022-11-21 17:06:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2022-11-21 17:06:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-21 17:06:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-21 17:06:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2022-11-21 17:06:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2022-11-21 17:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 17:06:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 17:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2022-11-21 17:06:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2022-11-21 17:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-21 17:06:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-21 17:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-21 17:06:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-21 17:06:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2022-11-21 17:06:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2022-11-21 17:06:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:06:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:06:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2022-11-21 17:06:35,815 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2022-11-21 17:06:35,815 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-21 17:06:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-21 17:06:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2022-11-21 17:06:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2022-11-21 17:06:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2022-11-21 17:06:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2022-11-21 17:06:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 17:06:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 17:06:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-21 17:06:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-21 17:06:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 17:06:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 17:06:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-21 17:06:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-21 17:06:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2022-11-21 17:06:35,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2022-11-21 17:06:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 17:06:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 17:06:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2022-11-21 17:06:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2022-11-21 17:06:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 17:06:35,818 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 17:06:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2022-11-21 17:06:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2022-11-21 17:06:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2022-11-21 17:06:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2022-11-21 17:06:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:06:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2022-11-21 17:06:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2022-11-21 17:06:35,819 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-11-21 17:06:35,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-11-21 17:06:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:06:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:06:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-21 17:06:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-11-21 17:06:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:06:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:06:37,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:06:37,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:06:37,703 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:07:08,825 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:07:08,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:07:08,951 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:07:08,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:08 BoogieIcfgContainer [2022-11-21 17:07:08,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:07:08,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:07:08,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:07:08,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:07:08,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:06:30" (1/3) ... [2022-11-21 17:07:08,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcc4cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:07:08, skipping insertion in model container [2022-11-21 17:07:08,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:06:34" (2/3) ... [2022-11-21 17:07:08,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcc4cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:07:08, skipping insertion in model container [2022-11-21 17:07:08,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:08" (3/3) ... [2022-11-21 17:07:08,974 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-11-21 17:07:08,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:07:08,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:07:09,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:07:09,155 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b708e8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:07:09,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:07:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 2978 states, 1959 states have (on average 1.3593670239918325) internal successors, (2663), 2035 states have internal predecessors, (2663), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) [2022-11-21 17:07:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-21 17:07:09,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:09,214 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:09,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:09,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash 574536629, now seen corresponding path program 1 times [2022-11-21 17:07:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:09,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038183506] [2022-11-21 17:07:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:07:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:07:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:07:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:07:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:07:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:07:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:07:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:07:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:07:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:07:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:07:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:07:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:07:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:07:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:07:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:07:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:07:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:07:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:07:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:07:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:07:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:07:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:07:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:07:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:07:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:07:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:07:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-11-21 17:07:12,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:12,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038183506] [2022-11-21 17:07:12,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038183506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:12,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:12,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:07:12,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916153177] [2022-11-21 17:07:12,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:12,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:07:12,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:12,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:07:12,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:12,081 INFO L87 Difference]: Start difference. First operand has 2978 states, 1959 states have (on average 1.3593670239918325) internal successors, (2663), 2035 states have internal predecessors, (2663), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 17:07:18,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:21,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:23,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:26,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:28,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:30,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:34,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:37,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:41,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:43,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:46,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:48,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:07:50,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:50,747 INFO L93 Difference]: Finished difference Result 6596 states and 10393 transitions. [2022-11-21 17:07:50,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:07:50,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2022-11-21 17:07:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:50,811 INFO L225 Difference]: With dead ends: 6596 [2022-11-21 17:07:50,811 INFO L226 Difference]: Without dead ends: 3607 [2022-11-21 17:07:50,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:07:50,839 INFO L413 NwaCegarLoop]: 4055 mSDtfsCounter, 3069 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2654 mSolverCounterSat, 3506 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 6130 SdHoareTripleChecker+Invalid, 6169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3506 IncrementalHoareTripleChecker+Valid, 2654 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:50,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 6130 Invalid, 6169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3506 Valid, 2654 Invalid, 9 Unknown, 0 Unchecked, 37.9s Time] [2022-11-21 17:07:50,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2022-11-21 17:07:51,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 2962. [2022-11-21 17:07:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 1954 states have (on average 1.354145342886387) internal successors, (2646), 2019 states have internal predecessors, (2646), 863 states have call successors, (863), 145 states have call predecessors, (863), 144 states have return successors, (861), 855 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-21 17:07:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 4370 transitions. [2022-11-21 17:07:51,161 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 4370 transitions. Word has length 417 [2022-11-21 17:07:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:51,164 INFO L495 AbstractCegarLoop]: Abstraction has 2962 states and 4370 transitions. [2022-11-21 17:07:51,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 17:07:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 4370 transitions. [2022-11-21 17:07:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-11-21 17:07:51,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:51,182 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:51,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:07:51,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash -582892333, now seen corresponding path program 1 times [2022-11-21 17:07:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945492411] [2022-11-21 17:07:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:51,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:07:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:07:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:07:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:07:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:07:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:07:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:07:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:07:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:07:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:07:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:07:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:07:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:07:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:07:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:07:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:07:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:07:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:07:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:07:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:07:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:07:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:07:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:07:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:07:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:07:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:07:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:07:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-11-21 17:07:53,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:53,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945492411] [2022-11-21 17:07:53,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945492411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:53,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:53,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:07:53,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348460084] [2022-11-21 17:07:53,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:53,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:07:53,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:53,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:07:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:07:53,646 INFO L87 Difference]: Start difference. First operand 2962 states and 4370 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 17:08:00,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:02,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:04,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:09,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:15,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:19,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:22,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:24,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:31,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:34,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:36,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:39,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:41,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:43,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:49,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:51,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:53,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:08:55,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:00,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:02,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:06,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:08,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:15,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:15,590 INFO L93 Difference]: Finished difference Result 10036 states and 15776 transitions. [2022-11-21 17:09:15,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:09:15,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2022-11-21 17:09:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:15,642 INFO L225 Difference]: With dead ends: 10036 [2022-11-21 17:09:15,643 INFO L226 Difference]: Without dead ends: 7118 [2022-11-21 17:09:15,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:09:15,662 INFO L413 NwaCegarLoop]: 4832 mSDtfsCounter, 8901 mSDsluCounter, 7134 mSDsCounter, 0 mSdLazyCounter, 7322 mSolverCounterSat, 5820 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9563 SdHoareTripleChecker+Valid, 11966 SdHoareTripleChecker+Invalid, 13157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5820 IncrementalHoareTripleChecker+Valid, 7322 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:15,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9563 Valid, 11966 Invalid, 13157 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5820 Valid, 7322 Invalid, 15 Unknown, 0 Unchecked, 80.8s Time] [2022-11-21 17:09:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7118 states. [2022-11-21 17:09:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7118 to 6284. [2022-11-21 17:09:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6284 states, 4169 states have (on average 1.353322139601823) internal successors, (5642), 4294 states have internal predecessors, (5642), 1790 states have call successors, (1790), 286 states have call predecessors, (1790), 324 states have return successors, (2043), 1824 states have call predecessors, (2043), 1788 states have call successors, (2043) [2022-11-21 17:09:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6284 states to 6284 states and 9475 transitions. [2022-11-21 17:09:16,060 INFO L78 Accepts]: Start accepts. Automaton has 6284 states and 9475 transitions. Word has length 417 [2022-11-21 17:09:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:16,065 INFO L495 AbstractCegarLoop]: Abstraction has 6284 states and 9475 transitions. [2022-11-21 17:09:16,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 17:09:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 6284 states and 9475 transitions. [2022-11-21 17:09:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-11-21 17:09:16,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:16,078 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:16,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:09:16,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:16,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:16,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2114718332, now seen corresponding path program 1 times [2022-11-21 17:09:16,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:16,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121582972] [2022-11-21 17:09:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:16,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:09:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:09:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:09:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:09:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:09:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:09:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:09:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:09:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:09:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:09:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:09:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:09:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:09:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:09:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:09:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:09:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:09:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:09:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:09:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:09:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:09:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:09:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:09:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:09:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:09:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:09:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:09:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:09:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-21 17:09:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-21 17:09:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-11-21 17:09:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-11-21 17:09:17,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:17,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121582972] [2022-11-21 17:09:17,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121582972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:17,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:17,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:09:17,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158656643] [2022-11-21 17:09:17,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:17,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:09:17,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:17,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:09:17,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:09:17,958 INFO L87 Difference]: Start difference. First operand 6284 states and 9475 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-21 17:09:25,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:30,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:32,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:40,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:42,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:45,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:47,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:49,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:09:51,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:00,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:02,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:06,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:08,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:10,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:11,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:14,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:17,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:20,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:22,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:24,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:31,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:32,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:37,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:39,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:10:49,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:49,899 INFO L93 Difference]: Finished difference Result 20252 states and 32430 transitions. [2022-11-21 17:10:49,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:10:49,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 442 [2022-11-21 17:10:49,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:50,030 INFO L225 Difference]: With dead ends: 20252 [2022-11-21 17:10:50,030 INFO L226 Difference]: Without dead ends: 14032 [2022-11-21 17:10:50,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:10:50,068 INFO L413 NwaCegarLoop]: 5079 mSDtfsCounter, 7609 mSDsluCounter, 9183 mSDsCounter, 0 mSdLazyCounter, 9454 mSolverCounterSat, 5109 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8266 SdHoareTripleChecker+Valid, 14262 SdHoareTripleChecker+Invalid, 14579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 9454 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:10:50,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8266 Valid, 14262 Invalid, 14579 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5109 Valid, 9454 Invalid, 16 Unknown, 0 Unchecked, 90.7s Time] [2022-11-21 17:10:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14032 states. [2022-11-21 17:10:51,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14032 to 13434. [2022-11-21 17:10:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13434 states, 8927 states have (on average 1.3484933348269295) internal successors, (12038), 9152 states have internal predecessors, (12038), 3763 states have call successors, (3763), 564 states have call predecessors, (3763), 743 states have return successors, (5705), 3965 states have call predecessors, (5705), 3761 states have call successors, (5705) [2022-11-21 17:10:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13434 states to 13434 states and 21506 transitions. [2022-11-21 17:10:51,261 INFO L78 Accepts]: Start accepts. Automaton has 13434 states and 21506 transitions. Word has length 442 [2022-11-21 17:10:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:10:51,266 INFO L495 AbstractCegarLoop]: Abstraction has 13434 states and 21506 transitions. [2022-11-21 17:10:51,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-21 17:10:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 13434 states and 21506 transitions. [2022-11-21 17:10:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-11-21 17:10:51,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:10:51,281 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:10:51,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:10:51,282 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:10:51,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:10:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1111642671, now seen corresponding path program 1 times [2022-11-21 17:10:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:10:51,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496450345] [2022-11-21 17:10:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:10:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:10:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:10:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:10:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:10:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:10:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:10:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:10:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:10:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:10:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:10:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:10:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:10:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:10:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:10:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:10:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:10:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:10:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:10:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:10:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:10:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:10:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:10:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:10:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:10:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:10:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:10:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:10:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:10:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:10:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:10:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:10:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-21 17:10:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-11-21 17:10:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-21 17:10:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-11-21 17:10:53,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:10:53,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496450345] [2022-11-21 17:10:53,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496450345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:10:53,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:10:53,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:10:53,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692397828] [2022-11-21 17:10:53,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:10:53,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:10:53,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:10:53,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:10:53,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:10:53,282 INFO L87 Difference]: Start difference. First operand 13434 states and 21506 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-21 17:10:59,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:04,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:06,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:12,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:14,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:16,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:18,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:25,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:28,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:29,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:32,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:34,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:36,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:37,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:41,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:43,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:45,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:52,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:54,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:11:57,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:11:57,616 INFO L93 Difference]: Finished difference Result 29500 states and 47012 transitions. [2022-11-21 17:11:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:11:57,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 450 [2022-11-21 17:11:57,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:11:57,730 INFO L225 Difference]: With dead ends: 29500 [2022-11-21 17:11:57,730 INFO L226 Difference]: Without dead ends: 16130 [2022-11-21 17:11:57,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:11:57,799 INFO L413 NwaCegarLoop]: 4229 mSDtfsCounter, 6702 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 4607 mSolverCounterSat, 3455 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7351 SdHoareTripleChecker+Valid, 8204 SdHoareTripleChecker+Invalid, 8078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3455 IncrementalHoareTripleChecker+Valid, 4607 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:11:57,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7351 Valid, 8204 Invalid, 8078 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3455 Valid, 4607 Invalid, 16 Unknown, 0 Unchecked, 63.1s Time] [2022-11-21 17:11:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16130 states. [2022-11-21 17:11:58,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16130 to 15321. [2022-11-21 17:11:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15321 states, 10141 states have (on average 1.3292574696775465) internal successors, (13480), 10433 states have internal predecessors, (13480), 4147 states have call successors, (4147), 806 states have call predecessors, (4147), 1032 states have return successors, (6100), 4361 states have call predecessors, (6100), 4145 states have call successors, (6100) [2022-11-21 17:11:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15321 states to 15321 states and 23727 transitions. [2022-11-21 17:11:59,033 INFO L78 Accepts]: Start accepts. Automaton has 15321 states and 23727 transitions. Word has length 450 [2022-11-21 17:11:59,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:11:59,035 INFO L495 AbstractCegarLoop]: Abstraction has 15321 states and 23727 transitions. [2022-11-21 17:11:59,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-21 17:11:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 15321 states and 23727 transitions. [2022-11-21 17:11:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-11-21 17:11:59,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:11:59,048 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:11:59,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:11:59,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:11:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:11:59,049 INFO L85 PathProgramCache]: Analyzing trace with hash 33178021, now seen corresponding path program 1 times [2022-11-21 17:11:59,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:11:59,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819180099] [2022-11-21 17:11:59,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:11:59,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:11:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:11:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:11:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:11:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:11:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:11:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:11:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:11:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:11:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:11:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:11:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:11:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:11:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:11:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:11:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:11:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:12:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:12:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:12:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:12:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:12:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:12:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:12:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:12:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:12:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:12:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:12:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:12:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:12:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:12:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:12:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:12:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:12:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:12:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:12:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:12:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:12:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:12:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:12:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:12:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:12:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-21 17:12:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-21 17:12:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-21 17:12:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-21 17:12:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-21 17:12:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:12:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-11-21 17:12:01,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:12:01,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819180099] [2022-11-21 17:12:01,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819180099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:12:01,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:12:01,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:12:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641326053] [2022-11-21 17:12:01,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:12:01,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:12:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:12:01,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:12:01,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:12:01,043 INFO L87 Difference]: Start difference. First operand 15321 states and 23727 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-21 17:12:08,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:10,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:16,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:18,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:23,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:26,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:28,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:30,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:32,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:34,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:36,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:43,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:47,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:51,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:52,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:53,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:57,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:12:59,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:01,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:06,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:08,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:11,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:13,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:18,254 INFO L93 Difference]: Finished difference Result 31109 states and 48784 transitions. [2022-11-21 17:13:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:13:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 454 [2022-11-21 17:13:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:18,368 INFO L225 Difference]: With dead ends: 31109 [2022-11-21 17:13:18,369 INFO L226 Difference]: Without dead ends: 15852 [2022-11-21 17:13:18,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:13:18,436 INFO L413 NwaCegarLoop]: 3828 mSDtfsCounter, 5450 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 4979 mSolverCounterSat, 2833 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6089 SdHoareTripleChecker+Valid, 8427 SdHoareTripleChecker+Invalid, 7830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2833 IncrementalHoareTripleChecker+Valid, 4979 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:18,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6089 Valid, 8427 Invalid, 7830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2833 Valid, 4979 Invalid, 18 Unknown, 0 Unchecked, 75.9s Time] [2022-11-21 17:13:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2022-11-21 17:13:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15059. [2022-11-21 17:13:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15059 states, 9952 states have (on average 1.3267684887459807) internal successors, (13204), 10240 states have internal predecessors, (13204), 4085 states have call successors, (4085), 795 states have call predecessors, (4085), 1021 states have return successors, (6014), 4299 states have call predecessors, (6014), 4083 states have call successors, (6014) [2022-11-21 17:13:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15059 states to 15059 states and 23303 transitions. [2022-11-21 17:13:19,853 INFO L78 Accepts]: Start accepts. Automaton has 15059 states and 23303 transitions. Word has length 454 [2022-11-21 17:13:19,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:19,854 INFO L495 AbstractCegarLoop]: Abstraction has 15059 states and 23303 transitions. [2022-11-21 17:13:19,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-21 17:13:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 15059 states and 23303 transitions. [2022-11-21 17:13:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-21 17:13:19,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:19,868 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:19,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:13:19,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:13:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:19,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1786458188, now seen corresponding path program 1 times [2022-11-21 17:13:19,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:19,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855259507] [2022-11-21 17:13:19,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:19,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:13:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:13:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:13:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:13:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:13:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:13:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:13:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:13:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:13:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:13:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:13:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:13:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:13:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:13:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:13:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:13:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:13:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:13:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:13:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:13:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:13:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:13:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:13:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:13:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:13:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:13:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:13:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:13:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:13:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:13:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-21 17:13:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-21 17:13:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-21 17:13:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-21 17:13:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-11-21 17:13:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-21 17:13:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-11-21 17:13:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-11-21 17:13:22,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:22,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855259507] [2022-11-21 17:13:22,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855259507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:22,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:13:22,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:13:22,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793159816] [2022-11-21 17:13:22,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:22,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:13:22,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:22,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:13:22,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:13:22,014 INFO L87 Difference]: Start difference. First operand 15059 states and 23303 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 17:13:34,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:36,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:37,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:38,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:41,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:48,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:54,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:13:56,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:06,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:08,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:09,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:11,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:13,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:16,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:21,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:23,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:24,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:26,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:28,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:29,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:37,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:41,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:45,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:47,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:49,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:51,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:53,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:14:55,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:00,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:04,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:07,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:09,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:11,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:13,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:15,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:17,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:19,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:23,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:30,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:31,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:32,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:38,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:40,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:42,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:15:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:15:54,871 INFO L93 Difference]: Finished difference Result 44538 states and 70860 transitions. [2022-11-21 17:15:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:15:54,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 470 [2022-11-21 17:15:54,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:15:55,077 INFO L225 Difference]: With dead ends: 44538 [2022-11-21 17:15:55,077 INFO L226 Difference]: Without dead ends: 29543 [2022-11-21 17:15:55,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:15:55,145 INFO L413 NwaCegarLoop]: 7259 mSDtfsCounter, 5680 mSDsluCounter, 14817 mSDsCounter, 0 mSdLazyCounter, 14731 mSolverCounterSat, 3568 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6591 SdHoareTripleChecker+Valid, 22076 SdHoareTripleChecker+Invalid, 18329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3568 IncrementalHoareTripleChecker+Valid, 14731 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:15:55,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6591 Valid, 22076 Invalid, 18329 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3568 Valid, 14731 Invalid, 30 Unknown, 0 Unchecked, 150.3s Time] [2022-11-21 17:15:55,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29543 states. [2022-11-21 17:15:58,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29543 to 27517. [2022-11-21 17:15:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27517 states, 18210 states have (on average 1.3369577155409116) internal successors, (24346), 18730 states have internal predecessors, (24346), 7603 states have call successors, (7603), 1327 states have call predecessors, (7603), 1703 states have return successors, (11208), 7977 states have call predecessors, (11208), 7601 states have call successors, (11208) [2022-11-21 17:15:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27517 states to 27517 states and 43157 transitions. [2022-11-21 17:15:59,005 INFO L78 Accepts]: Start accepts. Automaton has 27517 states and 43157 transitions. Word has length 470 [2022-11-21 17:15:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:15:59,007 INFO L495 AbstractCegarLoop]: Abstraction has 27517 states and 43157 transitions. [2022-11-21 17:15:59,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 17:15:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 27517 states and 43157 transitions. [2022-11-21 17:15:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-11-21 17:15:59,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:15:59,014 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:59,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:15:59,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:15:59,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:59,015 INFO L85 PathProgramCache]: Analyzing trace with hash -556276937, now seen corresponding path program 1 times [2022-11-21 17:15:59,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:59,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204272817] [2022-11-21 17:15:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:15:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:15:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:15:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:15:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:15:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:15:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:15:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:15:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:15:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:15:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:15:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:16:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:16:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:16:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:16:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:16:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:16:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:16:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:16:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:16:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:16:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:16:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:16:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:16:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:16:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:16:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:16:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:16:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:16:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:16:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:16:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:16:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:16:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:16:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:16:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-21 17:16:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:16:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:16:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-21 17:16:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-21 17:16:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-21 17:16:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-11-21 17:16:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-21 17:16:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-11-21 17:16:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-11-21 17:16:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:16:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2022-11-21 17:16:01,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:16:01,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204272817] [2022-11-21 17:16:01,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204272817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:16:01,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:16:01,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:16:01,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753563759] [2022-11-21 17:16:01,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:16:01,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:16:01,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:16:01,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:16:01,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:16:01,414 INFO L87 Difference]: Start difference. First operand 27517 states and 43157 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:16:12,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:24,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:26,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:34,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:36,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:38,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:40,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:42,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:46,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:48,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:49,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:51,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:53,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:16:55,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:00,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:02,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:03,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:07,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:09,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:11,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:13,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:15,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:17,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:22,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:24,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:26,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:29,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:31,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:32,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:33,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:37,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:41,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:47,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:49,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:17:59,217 INFO L93 Difference]: Finished difference Result 70338 states and 112639 transitions. [2022-11-21 17:17:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:17:59,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 505 [2022-11-21 17:17:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:17:59,495 INFO L225 Difference]: With dead ends: 70338 [2022-11-21 17:17:59,496 INFO L226 Difference]: Without dead ends: 42895 [2022-11-21 17:17:59,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:17:59,623 INFO L413 NwaCegarLoop]: 7365 mSDtfsCounter, 6025 mSDsluCounter, 12297 mSDsCounter, 0 mSdLazyCounter, 11238 mSolverCounterSat, 4762 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6902 SdHoareTripleChecker+Valid, 19662 SdHoareTripleChecker+Invalid, 16023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4762 IncrementalHoareTripleChecker+Valid, 11238 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:17:59,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6902 Valid, 19662 Invalid, 16023 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4762 Valid, 11238 Invalid, 23 Unknown, 0 Unchecked, 114.4s Time] [2022-11-21 17:17:59,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42895 states. [2022-11-21 17:18:03,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42895 to 39989. [2022-11-21 17:18:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39989 states, 26486 states have (on average 1.3408593219059126) internal successors, (35514), 27238 states have internal predecessors, (35514), 11119 states have call successors, (11119), 1857 states have call predecessors, (11119), 2383 states have return successors, (16400), 11653 states have call predecessors, (16400), 11117 states have call successors, (16400) [2022-11-21 17:18:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39989 states to 39989 states and 63033 transitions. [2022-11-21 17:18:03,303 INFO L78 Accepts]: Start accepts. Automaton has 39989 states and 63033 transitions. Word has length 505 [2022-11-21 17:18:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:18:03,304 INFO L495 AbstractCegarLoop]: Abstraction has 39989 states and 63033 transitions. [2022-11-21 17:18:03,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:18:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 39989 states and 63033 transitions. [2022-11-21 17:18:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-11-21 17:18:03,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:03,312 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:03,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:18:03,312 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:18:03,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:03,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1589692779, now seen corresponding path program 1 times [2022-11-21 17:18:03,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:18:03,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961231261] [2022-11-21 17:18:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:18:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:18:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:18:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:18:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:18:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:18:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:18:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:18:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:18:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:18:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:18:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:18:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:18:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:18:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:18:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:18:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:18:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:18:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:18:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:18:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:18:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:18:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:18:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:18:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:18:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:18:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:18:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:18:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:18:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-21 17:18:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:18:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:18:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 17:18:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-21 17:18:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-11-21 17:18:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-21 17:18:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-11-21 17:18:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-11-21 17:18:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-11-21 17:18:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-11-21 17:18:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2663 trivial. 0 not checked. [2022-11-21 17:18:07,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:07,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961231261] [2022-11-21 17:18:07,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961231261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:07,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:07,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 17:18:07,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069701855] [2022-11-21 17:18:07,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:07,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:18:07,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:18:07,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:18:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:18:07,500 INFO L87 Difference]: Start difference. First operand 39989 states and 63033 transitions. Second operand has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-21 17:18:24,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:30,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:32,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:39,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:41,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:43,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:50,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:52,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:18:58,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:01,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:03,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:06,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:11,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:18,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:19:18,328 INFO L93 Difference]: Finished difference Result 82580 states and 138990 transitions. [2022-11-21 17:19:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 17:19:18,329 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 521 [2022-11-21 17:19:18,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:19:18,785 INFO L225 Difference]: With dead ends: 82580 [2022-11-21 17:19:18,786 INFO L226 Difference]: Without dead ends: 42665 [2022-11-21 17:19:19,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-11-21 17:19:19,073 INFO L413 NwaCegarLoop]: 3880 mSDtfsCounter, 2732 mSDsluCounter, 20165 mSDsCounter, 0 mSdLazyCounter, 11746 mSolverCounterSat, 2451 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2991 SdHoareTripleChecker+Valid, 24045 SdHoareTripleChecker+Invalid, 14209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2451 IncrementalHoareTripleChecker+Valid, 11746 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:19:19,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2991 Valid, 24045 Invalid, 14209 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2451 Valid, 11746 Invalid, 12 Unknown, 0 Unchecked, 66.3s Time] [2022-11-21 17:19:19,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42665 states. [2022-11-21 17:19:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42665 to 39621. [2022-11-21 17:19:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39621 states, 26302 states have (on average 1.3417991027298304) internal successors, (35292), 27070 states have internal predecessors, (35292), 10965 states have call successors, (10965), 1885 states have call predecessors, (10965), 2353 states have return successors, (15935), 11425 states have call predecessors, (15935), 10963 states have call successors, (15935) [2022-11-21 17:19:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39621 states to 39621 states and 62192 transitions. [2022-11-21 17:19:22,248 INFO L78 Accepts]: Start accepts. Automaton has 39621 states and 62192 transitions. Word has length 521 [2022-11-21 17:19:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:19:22,249 INFO L495 AbstractCegarLoop]: Abstraction has 39621 states and 62192 transitions. [2022-11-21 17:19:22,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-21 17:19:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 39621 states and 62192 transitions. [2022-11-21 17:19:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-11-21 17:19:22,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:22,262 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:19:22,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:19:22,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:19:22,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:22,263 INFO L85 PathProgramCache]: Analyzing trace with hash -695734899, now seen corresponding path program 1 times [2022-11-21 17:19:22,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:22,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553020245] [2022-11-21 17:19:22,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:19:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:19:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:19:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:19:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:19:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:19:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:19:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:19:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:19:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:19:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 17:19:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:19:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:19:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:19:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:19:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:19:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:19:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:19:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:19:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-21 17:19:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-21 17:19:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-21 17:19:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 17:19:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-21 17:19:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-21 17:19:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-21 17:19:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-21 17:19:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-21 17:19:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-21 17:19:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 17:19:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:19:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:19:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:19:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 17:19:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:19:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:19:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:19:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 17:19:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 17:19:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 17:19:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:19:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 17:19:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:19:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 17:19:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:19:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-11-21 17:19:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-11-21 17:19:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-11-21 17:19:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3168 trivial. 0 not checked. [2022-11-21 17:19:25,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:19:25,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553020245] [2022-11-21 17:19:25,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553020245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:19:25,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:19:25,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:19:25,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798851366] [2022-11-21 17:19:25,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:19:25,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:19:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:19:25,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:19:25,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:19:25,685 INFO L87 Difference]: Start difference. First operand 39621 states and 62192 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (60), 7 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-21 17:19:37,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:44,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:46,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:54,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:57,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:19:58,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:01,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:03,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:13,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:19,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:20,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:22,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []