./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/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_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y --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 --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:41:56,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:41:56,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:41:56,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:41:56,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:41:56,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:41:56,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:41:56,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:41:56,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:41:56,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:41:57,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:41:57,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:41:57,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:41:57,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:41:57,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:41:57,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:41:57,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:41:57,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:41:57,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:41:57,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:41:57,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:41:57,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:41:57,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:41:57,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:41:57,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:41:57,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:41:57,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:41:57,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:41:57,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:41:57,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:41:57,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:41:57,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:41:57,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:41:57,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:41:57,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:41:57,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:41:57,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:41:57,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:41:57,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:41:57,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:41:57,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:41:57,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:41:57,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:41:57,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:41:57,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:41:57,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:41:57,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:41:57,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:41:57,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:41:57,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:41:57,096 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:41:57,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:41:57,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:41:57,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:41:57,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:41:57,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:41:57,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:41:57,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:41:57,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:41:57,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:41:57,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:41:57,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:41:57,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:41:57,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:41:57,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:41:57,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:41:57,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:41:57,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:41:57,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:41:57,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:41:57,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:41:57,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:41:57,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:41:57,105 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_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-11-13 17:41:57,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:41:57,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:41:57,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:41:57,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:41:57,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:41:57,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/../../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 [2021-11-13 17:41:57,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/data/507b5be6b/79fb6a5af40a4364be5db3cac1147aeb/FLAG3bd3faeda [2021-11-13 17:41:58,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:41:58,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/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 [2021-11-13 17:41:58,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/data/507b5be6b/79fb6a5af40a4364be5db3cac1147aeb/FLAG3bd3faeda [2021-11-13 17:41:59,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/data/507b5be6b/79fb6a5af40a4364be5db3cac1147aeb [2021-11-13 17:41:59,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:41:59,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:41:59,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:41:59,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:41:59,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:41:59,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:41:59" (1/1) ... [2021-11-13 17:41:59,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101df91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:41:59, skipping insertion in model container [2021-11-13 17:41:59,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:41:59" (1/1) ... [2021-11-13 17:41:59,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:41:59,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:42:02,482 WARN L228 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_bc9d3819-2696-4f50-b445-dfa702ae1237/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] [2021-11-13 17:42:02,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:02,777 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:42:03,523 WARN L228 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_bc9d3819-2696-4f50-b445-dfa702ae1237/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] [2021-11-13 17:42:03,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:42:03,764 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:42:03,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03 WrapperNode [2021-11-13 17:42:03,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:42:03,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:42:03,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:42:03,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:42:03,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:03,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:04,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:42:04,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:42:04,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:42:04,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:42:04,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:04,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:04,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:04,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:05,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:05,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:05,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:05,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:42:05,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:42:05,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:42:05,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:42:05,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (1/1) ... [2021-11-13 17:42:05,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:42:05,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:42:05,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:42:05,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9d3819-2696-4f50-b445-dfa702ae1237/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:42:05,331 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 17:42:05,331 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 17:42:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-11-13 17:42:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-11-13 17:42:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-11-13 17:42:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-11-13 17:42:05,332 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-11-13 17:42:05,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-11-13 17:42:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-11-13 17:42:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-11-13 17:42:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-13 17:42:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-13 17:42:05,333 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-11-13 17:42:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-11-13 17:42:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-13 17:42:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-13 17:42:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:42:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:42:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:42:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:42:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:42:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:42:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-11-13 17:42:05,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-11-13 17:42:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-11-13 17:42:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-11-13 17:42:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-11-13 17:42:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-11-13 17:42:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-11-13 17:42:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-11-13 17:42:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-11-13 17:42:05,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-11-13 17:42:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-11-13 17:42:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-11-13 17:42:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-11-13 17:42:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-11-13 17:42:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-13 17:42:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-13 17:42:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-11-13 17:42:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-11-13 17:42:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:42:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:42:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-11-13 17:42:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-11-13 17:42:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-13 17:42:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-13 17:42:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-11-13 17:42:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-11-13 17:42:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-11-13 17:42:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-11-13 17:42:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-11-13 17:42:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-11-13 17:42:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 17:42:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 17:42:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:42:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:42:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 17:42:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 17:42:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-11-13 17:42:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-11-13 17:42:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-11-13 17:42:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-11-13 17:42:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-11-13 17:42:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-11-13 17:42:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-13 17:42:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-13 17:42:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-11-13 17:42:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-11-13 17:42:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 17:42:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 17:42:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-11-13 17:42:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-11-13 17:42:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 17:42:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 17:42:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:42:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:42:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 17:42:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 17:42:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-11-13 17:42:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-11-13 17:42:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-11-13 17:42:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-11-13 17:42:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 17:42:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 17:42:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-11-13 17:42:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-11-13 17:42:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-11-13 17:42:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-11-13 17:42:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-11-13 17:42:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-11-13 17:42:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-13 17:42:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-13 17:42:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-11-13 17:42:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-11-13 17:42:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:42:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:42:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:42:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-11-13 17:42:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-11-13 17:42:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 17:42:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-11-13 17:42:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-11-13 17:42:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-11-13 17:42:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-11-13 17:42:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-11-13 17:42:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-11-13 17:42:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-11-13 17:42:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-11-13 17:42:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-11-13 17:42:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-11-13 17:42:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:42:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-11-13 17:42:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-11-13 17:42:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-13 17:42:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-13 17:42:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-13 17:42:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-13 17:42:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-13 17:42:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:42:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:42:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-11-13 17:42:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-11-13 17:42:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-13 17:42:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-13 17:42:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-11-13 17:42:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-11-13 17:42:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 17:42:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 17:42:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:42:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:42:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-13 17:42:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-13 17:42:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-11-13 17:42:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-11-13 17:42:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-11-13 17:42:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-11-13 17:42:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-11-13 17:42:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-11-13 17:42:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-13 17:42:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-13 17:42:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 17:42:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 17:42:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-13 17:42:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-13 17:42:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-13 17:42:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-13 17:42:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 17:42:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 17:42:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-11-13 17:42:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-11-13 17:42:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 17:42:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 17:42:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-13 17:42:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-13 17:42:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 17:42:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 17:42:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-11-13 17:42:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-11-13 17:42:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 17:42:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 17:42:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-11-13 17:42:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-11-13 17:42:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-11-13 17:42:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-11-13 17:42:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:42:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-13 17:42:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-13 17:42:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-11-13 17:42:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-11-13 17:42:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 17:42:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 17:42:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:42:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-11-13 17:42:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-11-13 17:42:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-11-13 17:42:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-11-13 17:42:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-11-13 17:42:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-11-13 17:42:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-13 17:42:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-13 17:42:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:42:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-11-13 17:42:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-11-13 17:42:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:42:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:42:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-11-13 17:42:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-11-13 17:42:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-11-13 17:42:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-11-13 17:42:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-13 17:42:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-13 17:42:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-11-13 17:42:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-11-13 17:42:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:42:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 17:42:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 17:42:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 17:42:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-11-13 17:42:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-11-13 17:42:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-13 17:42:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-13 17:42:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:42:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 17:42:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 17:42:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-11-13 17:42:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-11-13 17:42:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-11-13 17:42:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-11-13 17:42:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-13 17:42:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-13 17:42:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-13 17:42:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-13 17:42:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:42:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:42:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-13 17:42:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-13 17:42:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 17:42:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 17:42:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:42:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-11-13 17:42:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-11-13 17:42:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 17:42:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 17:42:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-13 17:42:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-13 17:42:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-11-13 17:42:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-11-13 17:42:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 17:42:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 17:42:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 17:42:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 17:42:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-13 17:42:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-13 17:42:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:42:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-11-13 17:42:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-11-13 17:42:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-13 17:42:05,437 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-13 17:42:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:42:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:42:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:42:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-13 17:42:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-13 17:42:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-13 17:42:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-13 17:42:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-11-13 17:42:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-11-13 17:42:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:42:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:42:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-11-13 17:42:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-11-13 17:42:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-11-13 17:42:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-11-13 17:42:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-11-13 17:42:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-11-13 17:42:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-13 17:42:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-13 17:42:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-11-13 17:42:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-11-13 17:42:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-13 17:42:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-13 17:42:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-11-13 17:42:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-11-13 17:42:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-13 17:42:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-13 17:42:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-13 17:42:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-13 17:42:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-11-13 17:42:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-11-13 17:42:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:42:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:42:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-11-13 17:42:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-11-13 17:42:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-13 17:42:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-13 17:42:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-11-13 17:42:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-11-13 17:42:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-11-13 17:42:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-11-13 17:42:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 17:42:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 17:42:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-11-13 17:42:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-11-13 17:42:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:42:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:42:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-13 17:42:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-13 17:42:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-11-13 17:42:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-11-13 17:42:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-13 17:42:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-13 17:42:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-11-13 17:42:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-11-13 17:42:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 17:42:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 17:42:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-11-13 17:42:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-11-13 17:42:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-11-13 17:42:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-11-13 17:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-11-13 17:42:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-11-13 17:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-11-13 17:42:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-11-13 17:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:42:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:42:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-13 17:42:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-13 17:42:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 17:42:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 17:42:07,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:42:42,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:42:42,222 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:42:42,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:42:42 BoogieIcfgContainer [2021-11-13 17:42:42,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:42:42,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:42:42,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:42:42,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:42:42,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:41:59" (1/3) ... [2021-11-13 17:42:42,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e991962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:42:42, skipping insertion in model container [2021-11-13 17:42:42,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:42:03" (2/3) ... [2021-11-13 17:42:42,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e991962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:42:42, skipping insertion in model container [2021-11-13 17:42:42,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:42:42" (3/3) ... [2021-11-13 17:42:42,244 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-11-13 17:42:42,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:42:42,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:42:42,358 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:42:42,367 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:42:42,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:42:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 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) [2021-11-13 17:42:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-11-13 17:42:42,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:42:42,527 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:42:42,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:42:42,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:42:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-11-13 17:42:42,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:42:42,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705907670] [2021-11-13 17:42:42,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:42:42,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:42:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:42:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:42:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:42:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:42:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:42:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:42:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:42:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:42:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:42:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:42:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:42:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:42:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:42:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:42:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:42:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:42:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:42:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:42:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:42:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:42:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:42:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:42:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:42:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:42:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:42:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:42:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:42:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:42:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:42:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:42:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:42:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-11-13 17:42:45,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:42:45,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705907670] [2021-11-13 17:42:45,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705907670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:42:45,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:42:45,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:42:45,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129084571] [2021-11-13 17:42:45,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:42:45,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:42:45,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:42:45,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:42:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:42:45,529 INFO L87 Difference]: Start difference. First operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 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) [2021-11-13 17:42:47,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:42:49,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:42:57,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:00,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:02,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:08,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:10,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:12,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:14,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:21,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:23,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:27,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:31,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:33,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:35,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:43,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:45,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:43:50,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:43:50,014 INFO L93 Difference]: Finished difference Result 6657 states and 10496 transitions. [2021-11-13 17:43:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:43:50,017 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 [2021-11-13 17:43:50,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:43:50,103 INFO L225 Difference]: With dead ends: 6657 [2021-11-13 17:43:50,103 INFO L226 Difference]: Without dead ends: 3643 [2021-11-13 17:43:50,142 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:43:50,150 INFO L933 BasicCegarLoop]: 4470 mSDtfsCounter, 1793 mSDsluCounter, 5006 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 2231 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60372.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 9476 SdHoareTripleChecker+Invalid, 6945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 159.09ms SdHoareTripleChecker+Time, 2231 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63645.51ms IncrementalHoareTripleChecker+Time [2021-11-13 17:43:50,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1965 Valid, 9476 Invalid, 6945 Unknown, 0 Unchecked, 159.09ms Time], IncrementalHoareTripleChecker [2231 Valid, 4699 Invalid, 15 Unknown, 0 Unchecked, 63645.51ms Time] [2021-11-13 17:43:50,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2021-11-13 17:43:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 2987. [2021-11-13 17:43:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 1979 states have (on average 1.3582617483577564) internal successors, (2688), 2044 states have internal predecessors, (2688), 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) [2021-11-13 17:43:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 4412 transitions. [2021-11-13 17:43:50,571 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 4412 transitions. Word has length 417 [2021-11-13 17:43:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:43:50,573 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 4412 transitions. [2021-11-13 17:43:50,574 INFO L471 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) [2021-11-13 17:43:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 4412 transitions. [2021-11-13 17:43:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-11-13 17:43:50,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:43:50,592 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:43:50,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:43:50,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:43:50,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:43:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash -198363579, now seen corresponding path program 1 times [2021-11-13 17:43:50,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:43:50,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514197947] [2021-11-13 17:43:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:43:50,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:43:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:43:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:43:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:43:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:43:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:43:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:43:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:43:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:43:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:43:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:43:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:43:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:43:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:43:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:43:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:43:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:43:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:43:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:43:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:43:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:43:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:43:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:43:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:43:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:43:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:43:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:43:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:43:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:43:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:43:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:43:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:43:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-11-13 17:43:52,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:43:52,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514197947] [2021-11-13 17:43:52,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514197947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:43:52,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:43:52,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:43:52,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093646548] [2021-11-13 17:43:52,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:43:52,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:43:52,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:43:52,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:43:52,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:43:52,973 INFO L87 Difference]: Start difference. First operand 2987 states and 4412 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) [2021-11-13 17:43:55,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:02,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:03,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:07,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:09,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:16,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:18,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:20,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:25,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:28,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:30,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:34,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:37,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:39,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:43,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:45,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:52,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:56,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:44:58,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:02,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:45:06,767 INFO L93 Difference]: Finished difference Result 10133 states and 15940 transitions. [2021-11-13 17:45:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:45:06,768 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 [2021-11-13 17:45:06,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:45:06,840 INFO L225 Difference]: With dead ends: 10133 [2021-11-13 17:45:06,840 INFO L226 Difference]: Without dead ends: 7190 [2021-11-13 17:45:06,861 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:45:06,862 INFO L933 BasicCegarLoop]: 5254 mSDtfsCounter, 8777 mSDsluCounter, 7771 mSDsCounter, 0 mSdLazyCounter, 6443 mSolverCounterSat, 6080 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68983.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9436 SdHoareTripleChecker+Valid, 13025 SdHoareTripleChecker+Invalid, 12540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 147.39ms SdHoareTripleChecker+Time, 6080 IncrementalHoareTripleChecker+Valid, 6443 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72898.01ms IncrementalHoareTripleChecker+Time [2021-11-13 17:45:06,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9436 Valid, 13025 Invalid, 12540 Unknown, 0 Unchecked, 147.39ms Time], IncrementalHoareTripleChecker [6080 Valid, 6443 Invalid, 17 Unknown, 0 Unchecked, 72898.01ms Time] [2021-11-13 17:45:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7190 states. [2021-11-13 17:45:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7190 to 6344. [2021-11-13 17:45:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6344 states, 4229 states have (on average 1.3580042563253725) internal successors, (5743), 4354 states have internal predecessors, (5743), 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) [2021-11-13 17:45:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 9576 transitions. [2021-11-13 17:45:07,304 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 9576 transitions. Word has length 417 [2021-11-13 17:45:07,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:45:07,310 INFO L470 AbstractCegarLoop]: Abstraction has 6344 states and 9576 transitions. [2021-11-13 17:45:07,310 INFO L471 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) [2021-11-13 17:45:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 9576 transitions. [2021-11-13 17:45:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-13 17:45:07,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:45:07,325 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:45:07,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:45:07,326 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:45:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:45:07,327 INFO L85 PathProgramCache]: Analyzing trace with hash -209701202, now seen corresponding path program 1 times [2021-11-13 17:45:07,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:45:07,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501810754] [2021-11-13 17:45:07,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:45:07,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:45:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:45:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:45:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:45:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:45:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:45:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:45:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:45:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:45:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:45:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:45:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:45:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:45:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:45:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:45:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:45:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:45:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:45:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:45:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:45:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:45:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:45:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:45:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:45:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:45:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:45:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:45:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:45:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:45:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:45:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:45:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-13 17:45:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-13 17:45:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-13 17:45:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:45:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-13 17:45:09,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:45:09,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501810754] [2021-11-13 17:45:09,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501810754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:45:09,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:45:09,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:45:09,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113443708] [2021-11-13 17:45:09,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:45:09,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:45:09,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:45:09,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:45:09,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:45:09,018 INFO L87 Difference]: Start difference. First operand 6344 states and 9576 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) [2021-11-13 17:45:11,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:17,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:20,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:22,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:28,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:30,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:32,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:38,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:41,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:43,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:47,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:49,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:52,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:58,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:45:59,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:10,218 INFO L93 Difference]: Finished difference Result 20440 states and 32749 transitions. [2021-11-13 17:46:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:46:10,219 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 [2021-11-13 17:46:10,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:10,395 INFO L225 Difference]: With dead ends: 20440 [2021-11-13 17:46:10,396 INFO L226 Difference]: Without dead ends: 14160 [2021-11-13 17:46:10,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:46:10,440 INFO L933 BasicCegarLoop]: 5447 mSDtfsCounter, 9010 mSDsluCounter, 8214 mSDsCounter, 0 mSdLazyCounter, 6630 mSolverCounterSat, 5971 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56664.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9665 SdHoareTripleChecker+Valid, 13661 SdHoareTripleChecker+Invalid, 12611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 128.62ms SdHoareTripleChecker+Time, 5971 IncrementalHoareTripleChecker+Valid, 6630 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60302.66ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:10,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9665 Valid, 13661 Invalid, 12611 Unknown, 0 Unchecked, 128.62ms Time], IncrementalHoareTripleChecker [5971 Valid, 6630 Invalid, 10 Unknown, 0 Unchecked, 60302.66ms Time] [2021-11-13 17:46:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14160 states. [2021-11-13 17:46:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14160 to 13556. [2021-11-13 17:46:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13556 states, 9053 states have (on average 1.3538053683861704) internal successors, (12256), 9282 states have internal predecessors, (12256), 3759 states have call successors, (3759), 564 states have call predecessors, (3759), 743 states have return successors, (5699), 3957 states have call predecessors, (5699), 3757 states have call successors, (5699) [2021-11-13 17:46:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13556 states to 13556 states and 21714 transitions. [2021-11-13 17:46:11,676 INFO L78 Accepts]: Start accepts. Automaton has 13556 states and 21714 transitions. Word has length 442 [2021-11-13 17:46:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:11,678 INFO L470 AbstractCegarLoop]: Abstraction has 13556 states and 21714 transitions. [2021-11-13 17:46:11,679 INFO L471 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) [2021-11-13 17:46:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13556 states and 21714 transitions. [2021-11-13 17:46:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-13 17:46:11,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:11,694 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:46:11,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:46:11,695 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:46:11,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:11,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1696876035, now seen corresponding path program 1 times [2021-11-13 17:46:11,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:46:11,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645650790] [2021-11-13 17:46:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:11,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:46:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:46:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:46:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:46:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:46:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:46:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:46:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:46:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:46:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:46:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:46:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:46:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:46:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:46:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:46:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:46:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:46:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:46:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:46:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:46:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:46:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:46:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:46:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:46:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:46:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:46:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:46:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:46:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:46:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:46:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:46:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-13 17:46:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-13 17:46:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-13 17:46:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-13 17:46:13,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:46:13,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645650790] [2021-11-13 17:46:13,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645650790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:13,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:13,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:46:13,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886892910] [2021-11-13 17:46:13,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:13,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:46:13,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:46:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:46:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:46:13,324 INFO L87 Difference]: Start difference. First operand 13556 states and 21714 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) [2021-11-13 17:46:15,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:23,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:25,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:29,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:31,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:33,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:40,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:44,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:47,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:49,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:54,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:56,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:46:59,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:59,366 INFO L93 Difference]: Finished difference Result 27177 states and 44043 transitions. [2021-11-13 17:46:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:46:59,366 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 [2021-11-13 17:46:59,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:59,454 INFO L225 Difference]: With dead ends: 27177 [2021-11-13 17:46:59,455 INFO L226 Difference]: Without dead ends: 13685 [2021-11-13 17:46:59,515 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:46:59,516 INFO L933 BasicCegarLoop]: 4359 mSDtfsCounter, 6245 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 3490 mSolverCounterSat, 3353 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42678.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6876 SdHoareTripleChecker+Valid, 7762 SdHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.70ms SdHoareTripleChecker+Time, 3353 IncrementalHoareTripleChecker+Valid, 3490 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45184.19ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:59,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6876 Valid, 7762 Invalid, 6854 Unknown, 0 Unchecked, 63.70ms Time], IncrementalHoareTripleChecker [3353 Valid, 3490 Invalid, 11 Unknown, 0 Unchecked, 45184.19ms Time] [2021-11-13 17:46:59,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13685 states. [2021-11-13 17:47:00,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13685 to 13074. [2021-11-13 17:47:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13074 states, 8722 states have (on average 1.3547351524879614) internal successors, (11816), 8955 states have internal predecessors, (11816), 3647 states have call successors, (3647), 555 states have call predecessors, (3647), 704 states have return successors, (5358), 3809 states have call predecessors, (5358), 3645 states have call successors, (5358) [2021-11-13 17:47:00,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13074 states to 13074 states and 20821 transitions. [2021-11-13 17:47:00,309 INFO L78 Accepts]: Start accepts. Automaton has 13074 states and 20821 transitions. Word has length 450 [2021-11-13 17:47:00,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:00,310 INFO L470 AbstractCegarLoop]: Abstraction has 13074 states and 20821 transitions. [2021-11-13 17:47:00,311 INFO L471 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) [2021-11-13 17:47:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 13074 states and 20821 transitions. [2021-11-13 17:47:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-11-13 17:47:00,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:00,323 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:47:00,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:47:00,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:47:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1866896863, now seen corresponding path program 1 times [2021-11-13 17:47:00,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:47:00,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748560536] [2021-11-13 17:47:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:00,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:47:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:47:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:47:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:47:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:47:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:47:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:47:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:47:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:47:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:47:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:47:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:47:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:47:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:47:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:47:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:47:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:47:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:47:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:47:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:47:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:47:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:47:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:47:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:47:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:47:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:47:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:47:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:47:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:47:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:47:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:47:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-13 17:47:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-13 17:47:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-13 17:47:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-13 17:47:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-13 17:47:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-13 17:47:01,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:47:01,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748560536] [2021-11-13 17:47:01,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748560536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:01,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:01,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:47:01,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783617584] [2021-11-13 17:47:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:01,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:47:01,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:47:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:47:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:47:01,898 INFO L87 Difference]: Start difference. First operand 13074 states and 20821 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) [2021-11-13 17:47:03,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:06,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:10,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:16,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:18,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:24,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:26,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:29,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:31,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:37,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:39,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:43,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:45,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:48,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:50,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:52,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:47:59,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:01,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:48:05,556 INFO L93 Difference]: Finished difference Result 29060 states and 46197 transitions. [2021-11-13 17:48:05,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:48:05,558 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 [2021-11-13 17:48:05,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:48:05,668 INFO L225 Difference]: With dead ends: 29060 [2021-11-13 17:48:05,669 INFO L226 Difference]: Without dead ends: 16050 [2021-11-13 17:48:05,725 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:48:05,726 INFO L933 BasicCegarLoop]: 4671 mSDtfsCounter, 5661 mSDsluCounter, 4208 mSDsCounter, 0 mSdLazyCounter, 4148 mSolverCounterSat, 3192 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59392.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6306 SdHoareTripleChecker+Valid, 8879 SdHoareTripleChecker+Invalid, 7357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.09ms SdHoareTripleChecker+Time, 3192 IncrementalHoareTripleChecker+Valid, 4148 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62669.86ms IncrementalHoareTripleChecker+Time [2021-11-13 17:48:05,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6306 Valid, 8879 Invalid, 7357 Unknown, 0 Unchecked, 75.09ms Time], IncrementalHoareTripleChecker [3192 Valid, 4148 Invalid, 17 Unknown, 0 Unchecked, 62669.86ms Time] [2021-11-13 17:48:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16050 states. [2021-11-13 17:48:06,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16050 to 15239. [2021-11-13 17:48:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15239 states, 10116 states have (on average 1.3315539739027284) internal successors, (13470), 10408 states have internal predecessors, (13470), 4095 states have call successors, (4095), 805 states have call predecessors, (4095), 1027 states have return successors, (6028), 4301 states have call predecessors, (6028), 4093 states have call successors, (6028) [2021-11-13 17:48:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15239 states to 15239 states and 23593 transitions. [2021-11-13 17:48:06,867 INFO L78 Accepts]: Start accepts. Automaton has 15239 states and 23593 transitions. Word has length 454 [2021-11-13 17:48:06,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:48:06,870 INFO L470 AbstractCegarLoop]: Abstraction has 15239 states and 23593 transitions. [2021-11-13 17:48:06,870 INFO L471 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) [2021-11-13 17:48:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 15239 states and 23593 transitions. [2021-11-13 17:48:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-13 17:48:06,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:48:06,884 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:48:06,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:48:06,884 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:48:06,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:48:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 185188271, now seen corresponding path program 1 times [2021-11-13 17:48:06,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:48:06,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950159898] [2021-11-13 17:48:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:48:06,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:48:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:48:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:48:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:48:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:48:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:48:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:48:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:48:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:48:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:48:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:48:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:48:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:48:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:48:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:48:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:48:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:48:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:48:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:48:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:48:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:48:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:48:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:48:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:48:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:48:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:48:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:48:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:48:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:48:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:48:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:48:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-13 17:48:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-13 17:48:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-13 17:48:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-13 17:48:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-13 17:48:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-13 17:48:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-13 17:48:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:48:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-13 17:48:08,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:48:08,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950159898] [2021-11-13 17:48:08,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950159898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:48:08,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:48:08,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:48:08,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817502621] [2021-11-13 17:48:08,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:48:08,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:48:08,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:48:08,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:48:08,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:48:08,814 INFO L87 Difference]: Start difference. First operand 15239 states and 23593 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) [2021-11-13 17:48:10,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:13,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:22,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:24,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:25,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:31,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:37,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:39,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:47,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:49,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:51,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:54,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:56,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:48:58,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:05,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:08,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:11,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:13,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:15,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:17,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:18,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:22,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:25,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:28,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:31,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:33,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:44,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:49:52,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:49:52,204 INFO L93 Difference]: Finished difference Result 45042 states and 71690 transitions. [2021-11-13 17:49:52,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:49:52,205 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 [2021-11-13 17:49:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:49:52,448 INFO L225 Difference]: With dead ends: 45042 [2021-11-13 17:49:52,449 INFO L226 Difference]: Without dead ends: 29867 [2021-11-13 17:49:52,526 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:49:52,528 INFO L933 BasicCegarLoop]: 8012 mSDtfsCounter, 6208 mSDsluCounter, 13161 mSDsCounter, 0 mSdLazyCounter, 9881 mSolverCounterSat, 4889 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95548.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7108 SdHoareTripleChecker+Valid, 21173 SdHoareTripleChecker+Invalid, 14790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 185.86ms SdHoareTripleChecker+Time, 4889 IncrementalHoareTripleChecker+Valid, 9881 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101520.46ms IncrementalHoareTripleChecker+Time [2021-11-13 17:49:52,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7108 Valid, 21173 Invalid, 14790 Unknown, 0 Unchecked, 185.86ms Time], IncrementalHoareTripleChecker [4889 Valid, 9881 Invalid, 20 Unknown, 0 Unchecked, 101520.46ms Time] [2021-11-13 17:49:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29867 states. [2021-11-13 17:49:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29867 to 27833. [2021-11-13 17:49:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27833 states, 18510 states have (on average 1.342085359265262) internal successors, (24842), 19034 states have internal predecessors, (24842), 7613 states have call successors, (7613), 1337 states have call predecessors, (7613), 1709 states have return successors, (11220), 7979 states have call predecessors, (11220), 7611 states have call successors, (11220) [2021-11-13 17:49:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27833 states to 27833 states and 43675 transitions. [2021-11-13 17:49:54,719 INFO L78 Accepts]: Start accepts. Automaton has 27833 states and 43675 transitions. Word has length 470 [2021-11-13 17:49:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:49:54,721 INFO L470 AbstractCegarLoop]: Abstraction has 27833 states and 43675 transitions. [2021-11-13 17:49:54,721 INFO L471 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) [2021-11-13 17:49:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 27833 states and 43675 transitions. [2021-11-13 17:49:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-11-13 17:49:54,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:49:54,727 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:49:54,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:49:54,728 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:49:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1244235575, now seen corresponding path program 1 times [2021-11-13 17:49:54,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:54,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703317257] [2021-11-13 17:49:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:54,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:49:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:49:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:49:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:49:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:49:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:49:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:49:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:49:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:49:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:49:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:49:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:49:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:49:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:49:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:49:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:49:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:49:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:49:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:49:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:49:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:49:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:49:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:49:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:49:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:49:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:49:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:49:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:49:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 17:49:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:49:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:49:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-13 17:49:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-13 17:49:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-13 17:49:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-13 17:49:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-13 17:49:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-11-13 17:49:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-11-13 17:49:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2021-11-13 17:49:56,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:56,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703317257] [2021-11-13 17:49:56,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703317257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:56,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:56,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:49:56,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928488705] [2021-11-13 17:49:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:56,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:49:56,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:56,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:49:56,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:49:56,917 INFO L87 Difference]: Start difference. First operand 27833 states and 43675 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) [2021-11-13 17:49:58,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:01,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:03,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:12,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:14,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:19,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:21,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:23,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:27,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:29,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:36,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:38,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:40,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:43,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:45,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:46,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:53,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:50:55,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:00,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:01,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:03,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:05,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:07,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:09,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:11,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:13,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:16,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:18,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:25,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:51:31,336 INFO L93 Difference]: Finished difference Result 73811 states and 117511 transitions. [2021-11-13 17:51:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:51:31,337 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 [2021-11-13 17:51:31,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:51:31,696 INFO L225 Difference]: With dead ends: 73811 [2021-11-13 17:51:31,696 INFO L226 Difference]: Without dead ends: 46052 [2021-11-13 17:51:31,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:51:31,984 INFO L933 BasicCegarLoop]: 8136 mSDtfsCounter, 7200 mSDsluCounter, 10729 mSDsCounter, 0 mSdLazyCounter, 7245 mSolverCounterSat, 6774 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86547.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8089 SdHoareTripleChecker+Valid, 18865 SdHoareTripleChecker+Invalid, 14038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 137.21ms SdHoareTripleChecker+Time, 6774 IncrementalHoareTripleChecker+Valid, 7245 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92116.03ms IncrementalHoareTripleChecker+Time [2021-11-13 17:51:31,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8089 Valid, 18865 Invalid, 14038 Unknown, 0 Unchecked, 137.21ms Time], IncrementalHoareTripleChecker [6774 Valid, 7245 Invalid, 19 Unknown, 0 Unchecked, 92116.03ms Time] [2021-11-13 17:51:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46052 states. [2021-11-13 17:51:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46052 to 42900. [2021-11-13 17:51:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42900 states, 28528 states have (on average 1.3389652271452608) internal successors, (38198), 29347 states have internal predecessors, (38198), 11645 states have call successors, (11645), 2131 states have call predecessors, (11645), 2726 states have return successors, (17172), 12215 states have call predecessors, (17172), 11643 states have call successors, (17172) [2021-11-13 17:51:34,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42900 states to 42900 states and 67015 transitions. [2021-11-13 17:51:34,610 INFO L78 Accepts]: Start accepts. Automaton has 42900 states and 67015 transitions. Word has length 505 [2021-11-13 17:51:34,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:51:34,612 INFO L470 AbstractCegarLoop]: Abstraction has 42900 states and 67015 transitions. [2021-11-13 17:51:34,613 INFO L471 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) [2021-11-13 17:51:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 42900 states and 67015 transitions. [2021-11-13 17:51:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-11-13 17:51:34,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:51:34,623 INFO L514 BasicCegarLoop]: 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] [2021-11-13 17:51:34,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:51:34,623 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:51:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:51:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash 182037543, now seen corresponding path program 1 times [2021-11-13 17:51:34,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:51:34,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458661746] [2021-11-13 17:51:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:51:34,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:51:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:51:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:51:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:51:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:51:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:51:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:51:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:51:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:51:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:51:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:51:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:51:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:51:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:51:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:51:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:51:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:51:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:51:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:51:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:51:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:51:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:51:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:51:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:51:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:51:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:51:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:51:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:51:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:51:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 17:51:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:51:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:51:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-13 17:51:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-13 17:51:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-13 17:51:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-13 17:51:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-13 17:51:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-13 17:51:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-13 17:51:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-13 17:51:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2663 trivial. 0 not checked. [2021-11-13 17:51:37,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:51:37,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458661746] [2021-11-13 17:51:37,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458661746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:51:37,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:51:37,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 17:51:37,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763002060] [2021-11-13 17:51:37,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:51:37,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:51:37,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:51:37,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:51:37,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:51:37,597 INFO L87 Difference]: Start difference. First operand 42900 states and 67015 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) [2021-11-13 17:51:39,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:41,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:44,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:46,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:51:58,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:08,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:10,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:20,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:22,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:24,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:25,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:31,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:33,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:34,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:37,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:39,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:41,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:43,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:49,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:51,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:53,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:55,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:57,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:59,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:01,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:03,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:05,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:07,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:10,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:12,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:14,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:16,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:18,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:20,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:22,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:24,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:26,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:28,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:31,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:33,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:35,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:41,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:45,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:47,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:49,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:54,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:54,756 INFO L93 Difference]: Finished difference Result 88662 states and 147678 transitions. [2021-11-13 17:53:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:53:54,756 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 [2021-11-13 17:53:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:55,341 INFO L225 Difference]: With dead ends: 88662 [2021-11-13 17:53:55,341 INFO L226 Difference]: Without dead ends: 45836 [2021-11-13 17:53:55,500 INFO L932 BasicCegarLoop]: 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 [2021-11-13 17:53:55,501 INFO L933 BasicCegarLoop]: 4299 mSDtfsCounter, 2444 mSDsluCounter, 26475 mSDsCounter, 0 mSdLazyCounter, 11334 mSolverCounterSat, 3211 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127345.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 30774 SdHoareTripleChecker+Invalid, 14577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 201.13ms SdHoareTripleChecker+Time, 3211 IncrementalHoareTripleChecker+Valid, 11334 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133754.21ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:55,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2703 Valid, 30774 Invalid, 14577 Unknown, 0 Unchecked, 201.13ms Time], IncrementalHoareTripleChecker [3211 Valid, 11334 Invalid, 32 Unknown, 0 Unchecked, 133754.21ms Time] [2021-11-13 17:53:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45836 states. [2021-11-13 17:53:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45836 to 42530. [2021-11-13 17:53:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42530 states, 28352 states have (on average 1.339870203160271) internal successors, (37988), 29191 states have internal predecessors, (37988), 11487 states have call successors, (11487), 2163 states have call predecessors, (11487), 2690 states have return successors, (16663), 11969 states have call predecessors, (16663), 11485 states have call successors, (16663) [2021-11-13 17:53:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42530 states to 42530 states and 66138 transitions. [2021-11-13 17:53:57,887 INFO L78 Accepts]: Start accepts. Automaton has 42530 states and 66138 transitions. Word has length 521 [2021-11-13 17:53:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:57,888 INFO L470 AbstractCegarLoop]: Abstraction has 42530 states and 66138 transitions. [2021-11-13 17:53:57,888 INFO L471 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) [2021-11-13 17:53:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 42530 states and 66138 transitions. [2021-11-13 17:53:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-13 17:53:57,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:57,901 INFO L514 BasicCegarLoop]: 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, 1, 1] [2021-11-13 17:53:57,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:53:57,902 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:53:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:57,903 INFO L85 PathProgramCache]: Analyzing trace with hash 158207968, now seen corresponding path program 1 times [2021-11-13 17:53:57,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:57,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551591949] [2021-11-13 17:53:57,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:57,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:53:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:53:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:53:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:53:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:53:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:53:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 17:53:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 17:53:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 17:53:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:58,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:53:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 17:53:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 17:53:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 17:53:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 17:53:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:53:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 17:53:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:53:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 17:53:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-13 17:53:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-13 17:53:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 17:53:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-13 17:53:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 17:53:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-13 17:53:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-13 17:53:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-13 17:53:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-13 17:53:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 17:53:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 17:53:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-13 17:53:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:53:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:53:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 17:53:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 17:53:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 17:53:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:53:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 17:53:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-13 17:53:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-13 17:54:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:54:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 17:54:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:54:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-13 17:54:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:54:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 17:54:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-11-13 17:54:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-13 17:54:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-11-13 17:54:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3168 trivial. 0 not checked. [2021-11-13 17:54:00,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:00,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551591949] [2021-11-13 17:54:00,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551591949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:00,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:00,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 17:54:00,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649233625] [2021-11-13 17:54:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:00,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:54:00,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:00,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:54:00,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:54:00,192 INFO L87 Difference]: Start difference. First operand 42530 states and 66138 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 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) [2021-11-13 17:54:02,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:04,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:06,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:15,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:22,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:24,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:32,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:34,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:36,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:39,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:41,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:43,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:48,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:52,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:54,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:57,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []