./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-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:48:19,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:48:19,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:48:19,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:48:19,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:48:19,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:48:19,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:48:19,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:48:19,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:48:19,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:48:19,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:48:19,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:48:19,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:48:19,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:48:19,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:48:19,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:48:19,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:48:19,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:48:19,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:48:19,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:48:19,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:48:19,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:48:19,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:48:19,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:48:19,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:48:19,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:48:19,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:48:19,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:48:19,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:48:19,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:48:19,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:48:19,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:48:19,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:48:19,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:48:19,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:48:19,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:48:19,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:48:19,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:48:19,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:48:19,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:48:19,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:48:19,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:48:19,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:48:19,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:48:19,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:48:19,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:48:19,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:48:19,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:48:19,237 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:48:19,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:48:19,237 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:48:19,237 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:48:19,237 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:48:19,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:48:19,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:48:19,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:48:19,238 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:48:19,238 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:48:19,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:48:19,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:48:19,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:48:19,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:48:19,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:48:19,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:48:19,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:48:19,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:48:19,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:48:19,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:48:19,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:48:19,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:48:19,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:48:19,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:19,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:48:19,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:48:19,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:48:19,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:48:19,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:48:19,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:48:19,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:48:19,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:48:19,243 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 [2021-11-25 18:48:19,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:48:19,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:48:19,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:48:19,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:48:19,580 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:48:19,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-11-25 18:48:19,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/data/f8ef355e7/252904bbeddb412f8445aca7c1de9368/FLAGec25d6a9d [2021-11-25 18:48:20,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:48:20,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-11-25 18:48:20,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/data/f8ef355e7/252904bbeddb412f8445aca7c1de9368/FLAGec25d6a9d [2021-11-25 18:48:20,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/data/f8ef355e7/252904bbeddb412f8445aca7c1de9368 [2021-11-25 18:48:21,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:48:21,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:48:21,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:21,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:48:21,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:48:21,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:21" (1/1) ... [2021-11-25 18:48:21,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55774db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:21, skipping insertion in model container [2021-11-25 18:48:21,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:21" (1/1) ... [2021-11-25 18:48:21,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:48:21,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:48:24,340 WARN L230 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_65315856-11ad-4194-8af4-eddedc5c7df7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2021-11-25 18:48:24,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:24,669 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:48:25,378 WARN L230 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_65315856-11ad-4194-8af4-eddedc5c7df7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2021-11-25 18:48:25,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:25,623 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:48:25,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25 WrapperNode [2021-11-25 18:48:25,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:25,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:25,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:48:25,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:48:25,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:25,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,045 INFO L137 Inliner]: procedures = 480, calls = 3867, calls flagged for inlining = 166, calls inlined = 158, statements flattened = 7270 [2021-11-25 18:48:26,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:26,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:48:26,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:48:26,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:48:26,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:48:26,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:48:26,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:48:26,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:48:26,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (1/1) ... [2021-11-25 18:48:26,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:26,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:26,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:48:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:48:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-11-25 18:48:26,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-11-25 18:48:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-11-25 18:48:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-11-25 18:48:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-11-25 18:48:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-11-25 18:48:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:48:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:48:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:48:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:48:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-11-25 18:48:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-11-25 18:48:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-11-25 18:48:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-11-25 18:48:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-25 18:48:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-25 18:48:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-11-25 18:48:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-11-25 18:48:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-11-25 18:48:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-11-25 18:48:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-11-25 18:48:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-11-25 18:48:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-11-25 18:48:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-11-25 18:48:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-11-25 18:48:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-11-25 18:48:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-11-25 18:48:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-11-25 18:48:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:48:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:48:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-11-25 18:48:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-11-25 18:48:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:48:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:48:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:48:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:48:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_ring [2021-11-25 18:48:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_ring [2021-11-25 18:48:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-11-25 18:48:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-11-25 18:48:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:48:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-11-25 18:48:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-11-25 18:48:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-11-25 18:48:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-11-25 18:48:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:48:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:48:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-11-25 18:48:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-11-25 18:48:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-11-25 18:48:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-11-25 18:48:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:48:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:48:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-11-25 18:48:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-11-25 18:48:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-25 18:48:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-25 18:48:26,602 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-11-25 18:48:26,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-11-25 18:48:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb [2021-11-25 18:48:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb [2021-11-25 18:48:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:48:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-11-25 18:48:26,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-11-25 18:48:26,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:48:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:48:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-11-25 18:48:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-11-25 18:48:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 18:48:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 18:48:26,604 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-25 18:48:26,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-25 18:48:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-11-25 18:48:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-11-25 18:48:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-11-25 18:48:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-11-25 18:48:26,605 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-11-25 18:48:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-11-25 18:48:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-11-25 18:48:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-11-25 18:48:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:48:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:48:26,606 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-11-25 18:48:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-11-25 18:48:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 18:48:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 18:48:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-11-25 18:48:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-11-25 18:48:26,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:48:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-11-25 18:48:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-11-25 18:48:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:48:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:48:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:48:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:48:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-11-25 18:48:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-11-25 18:48:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-11-25 18:48:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-11-25 18:48:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-11-25 18:48:26,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-11-25 18:48:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:48:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:48:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:48:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:48:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 18:48:26,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 18:48:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb [2021-11-25 18:48:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb [2021-11-25 18:48:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-11-25 18:48:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-11-25 18:48:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:48:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:48:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 18:48:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 18:48:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-11-25 18:48:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-11-25 18:48:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-11-25 18:48:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-11-25 18:48:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:48:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:48:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-11-25 18:48:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-11-25 18:48:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-11-25 18:48:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-11-25 18:48:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:48:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:48:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:48:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:48:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-11-25 18:48:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-11-25 18:48:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-11-25 18:48:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-11-25 18:48:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-11-25 18:48:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-11-25 18:48:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-11-25 18:48:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-11-25 18:48:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-11-25 18:48:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-11-25 18:48:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-11-25 18:48:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-11-25 18:48:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-11-25 18:48:26,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-11-25 18:48:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 18:48:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 18:48:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-11-25 18:48:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-11-25 18:48:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:48:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:48:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:48:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:48:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-11-25 18:48:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-11-25 18:48:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-11-25 18:48:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-11-25 18:48:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:48:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:48:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:48:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:48:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-11-25 18:48:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-11-25 18:48:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-11-25 18:48:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-11-25 18:48:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-11-25 18:48:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-11-25 18:48:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 18:48:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 18:48:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-11-25 18:48:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-11-25 18:48:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-11-25 18:48:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-11-25 18:48:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-11-25 18:48:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-11-25 18:48:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:48:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:48:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-11-25 18:48:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-11-25 18:48:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:48:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:48:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:48:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-11-25 18:48:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-11-25 18:48:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-11-25 18:48:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-11-25 18:48:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-11-25 18:48:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-11-25 18:48:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:48:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 18:48:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 18:48:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-25 18:48:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-25 18:48:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:48:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-11-25 18:48:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-11-25 18:48:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-11-25 18:48:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-11-25 18:48:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-11-25 18:48:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-11-25 18:48:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 18:48:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 18:48:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:48:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:48:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-25 18:48:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-25 18:48:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-11-25 18:48:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-11-25 18:48:26,627 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:48:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:48:26,627 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-11-25 18:48:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-11-25 18:48:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-25 18:48:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-25 18:48:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-11-25 18:48:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-11-25 18:48:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-11-25 18:48:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-11-25 18:48:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-11-25 18:48:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-11-25 18:48:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-11-25 18:48:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-11-25 18:48:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:48:26,629 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:48:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-11-25 18:48:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-11-25 18:48:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-11-25 18:48:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-11-25 18:48:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-11-25 18:48:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-11-25 18:48:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-11-25 18:48:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-11-25 18:48:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:48:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:48:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-11-25 18:48:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-11-25 18:48:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:48:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-11-25 18:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-11-25 18:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-11-25 18:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-11-25 18:48:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-11-25 18:48:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-11-25 18:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-11-25 18:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-11-25 18:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-11-25 18:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-11-25 18:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-11-25 18:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-11-25 18:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-11-25 18:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-11-25 18:48:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-11-25 18:48:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-11-25 18:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-11-25 18:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-11-25 18:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-11-25 18:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-11-25 18:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-11-25 18:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-11-25 18:48:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-25 18:48:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-11-25 18:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-11-25 18:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-11-25 18:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-11-25 18:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-11-25 18:48:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-11-25 18:48:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:48:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-11-25 18:48:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-11-25 18:48:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-11-25 18:48:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-11-25 18:48:27,966 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:48:27,974 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:48:28,596 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:48:51,878 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:48:53,586 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:48:53,587 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:48:53,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:53 BoogieIcfgContainer [2021-11-25 18:48:53,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:48:53,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:48:53,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:48:53,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:48:53,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:48:21" (1/3) ... [2021-11-25 18:48:53,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a1b949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:53, skipping insertion in model container [2021-11-25 18:48:53,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:25" (2/3) ... [2021-11-25 18:48:53,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a1b949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:53, skipping insertion in model container [2021-11-25 18:48:53,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:53" (3/3) ... [2021-11-25 18:48:53,608 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-11-25 18:48:53,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:48:53,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:48:53,688 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:48:53,696 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:48:53,696 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:48:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 2147 states, 1312 states have (on average 1.3201219512195121) internal successors, (1732), 1359 states have internal predecessors, (1732), 701 states have call successors, (701), 133 states have call predecessors, (701), 132 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) [2021-11-25 18:48:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 18:48:53,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:53,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:53,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:48:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash -313975836, now seen corresponding path program 1 times [2021-11-25 18:48:53,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:53,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369603724] [2021-11-25 18:48:53,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:53,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:54,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:54,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369603724] [2021-11-25 18:48:54,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369603724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:54,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:54,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:48:54,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438830296] [2021-11-25 18:48:54,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:54,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:48:54,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:54,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:48:54,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:48:54,909 INFO L87 Difference]: Start difference. First operand has 2147 states, 1312 states have (on average 1.3201219512195121) internal successors, (1732), 1359 states have internal predecessors, (1732), 701 states have call successors, (701), 133 states have call predecessors, (701), 132 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:48:57,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:48:59,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:04,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:07,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:49:07,411 INFO L93 Difference]: Finished difference Result 5605 states and 8535 transitions. [2021-11-25 18:49:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:49:07,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2021-11-25 18:49:07,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:49:07,472 INFO L225 Difference]: With dead ends: 5605 [2021-11-25 18:49:07,473 INFO L226 Difference]: Without dead ends: 3445 [2021-11-25 18:49:07,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:07,506 INFO L933 BasicCegarLoop]: 3344 mSDtfsCounter, 2913 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2915 SdHoareTripleChecker+Valid, 5309 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:49:07,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2915 Valid, 5309 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 445 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2021-11-25 18:49:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2021-11-25 18:49:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 3434. [2021-11-25 18:49:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 2105 states have (on average 1.3163895486935866) internal successors, (2771), 2174 states have internal predecessors, (2771), 1107 states have call successors, (1107), 231 states have call predecessors, (1107), 221 states have return successors, (1172), 1069 states have call predecessors, (1172), 1096 states have call successors, (1172) [2021-11-25 18:49:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 5050 transitions. [2021-11-25 18:49:07,928 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 5050 transitions. Word has length 26 [2021-11-25 18:49:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:49:07,929 INFO L470 AbstractCegarLoop]: Abstraction has 3434 states and 5050 transitions. [2021-11-25 18:49:07,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 5050 transitions. [2021-11-25 18:49:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:49:07,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:49:07,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:49:07,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:49:07,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:49:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:49:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash -516013163, now seen corresponding path program 1 times [2021-11-25 18:49:07,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:49:07,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322770264] [2021-11-25 18:49:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:49:07,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:49:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:49:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:49:08,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:49:08,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322770264] [2021-11-25 18:49:08,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322770264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:49:08,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:49:08,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:49:08,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787729858] [2021-11-25 18:49:08,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:49:08,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:49:08,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:49:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:49:08,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:08,150 INFO L87 Difference]: Start difference. First operand 3434 states and 5050 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:49:13,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:15,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:17,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:49:17,634 INFO L93 Difference]: Finished difference Result 10245 states and 15066 transitions. [2021-11-25 18:49:17,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:49:17,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-11-25 18:49:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:49:17,865 INFO L225 Difference]: With dead ends: 10245 [2021-11-25 18:49:17,866 INFO L226 Difference]: Without dead ends: 6814 [2021-11-25 18:49:17,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:17,896 INFO L933 BasicCegarLoop]: 3531 mSDtfsCounter, 3040 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:49:17,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3042 Valid, 6371 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 508 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-25 18:49:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6814 states. [2021-11-25 18:49:18,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6806. [2021-11-25 18:49:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6806 states, 4176 states have (on average 1.3144157088122606) internal successors, (5489), 4303 states have internal predecessors, (5489), 2187 states have call successors, (2187), 461 states have call predecessors, (2187), 442 states have return successors, (2331), 2123 states have call predecessors, (2331), 2176 states have call successors, (2331) [2021-11-25 18:49:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 10007 transitions. [2021-11-25 18:49:18,479 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 10007 transitions. Word has length 24 [2021-11-25 18:49:18,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:49:18,480 INFO L470 AbstractCegarLoop]: Abstraction has 6806 states and 10007 transitions. [2021-11-25 18:49:18,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:49:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 10007 transitions. [2021-11-25 18:49:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:49:18,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:49:18,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:49:18,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:49:18,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:49:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:49:18,490 INFO L85 PathProgramCache]: Analyzing trace with hash 492728314, now seen corresponding path program 1 times [2021-11-25 18:49:18,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:49:18,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807865660] [2021-11-25 18:49:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:49:18,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:49:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:49:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:49:18,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:49:18,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807865660] [2021-11-25 18:49:18,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807865660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:49:18,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:49:18,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:49:18,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357581754] [2021-11-25 18:49:18,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:49:18,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:49:18,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:49:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:49:18,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:18,719 INFO L87 Difference]: Start difference. First operand 6806 states and 10007 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:49:21,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:25,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:28,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:28,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:49:28,651 INFO L93 Difference]: Finished difference Result 18177 states and 26598 transitions. [2021-11-25 18:49:28,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:49:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2021-11-25 18:49:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:49:28,773 INFO L225 Difference]: With dead ends: 18177 [2021-11-25 18:49:28,774 INFO L226 Difference]: Without dead ends: 11374 [2021-11-25 18:49:29,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:29,010 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 2138 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:49:29,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 6583 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 541 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2021-11-25 18:49:29,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2021-11-25 18:49:29,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 11350. [2021-11-25 18:49:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11350 states, 6968 states have (on average 1.3101320321469576) internal successors, (9129), 7165 states have internal predecessors, (9129), 3591 states have call successors, (3591), 827 states have call predecessors, (3591), 790 states have return successors, (3841), 3485 states have call predecessors, (3841), 3580 states have call successors, (3841) [2021-11-25 18:49:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11350 states to 11350 states and 16561 transitions. [2021-11-25 18:49:29,983 INFO L78 Accepts]: Start accepts. Automaton has 11350 states and 16561 transitions. Word has length 30 [2021-11-25 18:49:29,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:49:29,984 INFO L470 AbstractCegarLoop]: Abstraction has 11350 states and 16561 transitions. [2021-11-25 18:49:29,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:49:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 11350 states and 16561 transitions. [2021-11-25 18:49:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 18:49:29,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:49:29,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:49:29,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:49:29,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:49:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:49:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash 186063483, now seen corresponding path program 1 times [2021-11-25 18:49:29,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:49:29,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063042688] [2021-11-25 18:49:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:49:29,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:49:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:49:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:49:30,349 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:49:30,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063042688] [2021-11-25 18:49:30,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063042688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:49:30,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:49:30,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:49:30,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824876112] [2021-11-25 18:49:30,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:49:30,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:49:30,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:49:30,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:49:30,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:30,353 INFO L87 Difference]: Start difference. First operand 11350 states and 16561 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:32,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:34,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:37,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:41,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:42,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:49:43,762 INFO L93 Difference]: Finished difference Result 12402 states and 17865 transitions. [2021-11-25 18:49:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:49:43,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-11-25 18:49:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:49:43,868 INFO L225 Difference]: With dead ends: 12402 [2021-11-25 18:49:43,868 INFO L226 Difference]: Without dead ends: 12398 [2021-11-25 18:49:43,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:43,879 INFO L933 BasicCegarLoop]: 2985 mSDtfsCounter, 2752 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:49:43,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2756 Valid, 3802 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 345 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2021-11-25 18:49:43,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12398 states. [2021-11-25 18:49:44,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12398 to 12382. [2021-11-25 18:49:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12382 states, 7564 states have (on average 1.3001057641459546) internal successors, (9834), 7770 states have internal predecessors, (9834), 3865 states have call successors, (3865), 993 states have call predecessors, (3865), 952 states have return successors, (4132), 3757 states have call predecessors, (4132), 3856 states have call successors, (4132) [2021-11-25 18:49:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12382 states to 12382 states and 17831 transitions. [2021-11-25 18:49:44,759 INFO L78 Accepts]: Start accepts. Automaton has 12382 states and 17831 transitions. Word has length 29 [2021-11-25 18:49:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:49:44,760 INFO L470 AbstractCegarLoop]: Abstraction has 12382 states and 17831 transitions. [2021-11-25 18:49:44,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:44,761 INFO L276 IsEmpty]: Start isEmpty. Operand 12382 states and 17831 transitions. [2021-11-25 18:49:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 18:49:44,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:49:44,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:49:44,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:49:44,765 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:49:44,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:49:44,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1556024915, now seen corresponding path program 1 times [2021-11-25 18:49:44,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:49:44,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013565591] [2021-11-25 18:49:44,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:49:44,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:49:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:49:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:49:44,983 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:49:44,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013565591] [2021-11-25 18:49:44,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013565591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:49:44,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:49:44,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:49:44,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271456521] [2021-11-25 18:49:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:49:44,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:49:44,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:49:44,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:49:44,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:44,986 INFO L87 Difference]: Start difference. First operand 12382 states and 17831 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:49,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:51,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:49:51,437 INFO L93 Difference]: Finished difference Result 12468 states and 17906 transitions. [2021-11-25 18:49:51,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:49:51,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-11-25 18:49:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:49:51,526 INFO L225 Difference]: With dead ends: 12468 [2021-11-25 18:49:51,526 INFO L226 Difference]: Without dead ends: 12465 [2021-11-25 18:49:51,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:51,538 INFO L933 BasicCegarLoop]: 2978 mSDtfsCounter, 3051 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:49:51,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3053 Valid, 3513 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 310 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-11-25 18:49:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12465 states. [2021-11-25 18:49:52,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12465 to 12461. [2021-11-25 18:49:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12461 states, 7609 states have (on average 1.2985937705348929) internal successors, (9881), 7813 states have internal predecessors, (9881), 3875 states have call successors, (3875), 1018 states have call predecessors, (3875), 976 states have return successors, (4143), 3768 states have call predecessors, (4143), 3867 states have call successors, (4143) [2021-11-25 18:49:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12461 states to 12461 states and 17899 transitions. [2021-11-25 18:49:52,449 INFO L78 Accepts]: Start accepts. Automaton has 12461 states and 17899 transitions. Word has length 29 [2021-11-25 18:49:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:49:52,450 INFO L470 AbstractCegarLoop]: Abstraction has 12461 states and 17899 transitions. [2021-11-25 18:49:52,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12461 states and 17899 transitions. [2021-11-25 18:49:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:49:52,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:49:52,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:49:52,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:49:52,452 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:49:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:49:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash 990949031, now seen corresponding path program 1 times [2021-11-25 18:49:52,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:49:52,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784789856] [2021-11-25 18:49:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:49:52,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:49:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:49:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:49:52,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:49:52,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784789856] [2021-11-25 18:49:52,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784789856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:49:52,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:49:52,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:49:52,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870283726] [2021-11-25 18:49:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:49:52,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:49:52,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:49:52,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:49:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:49:52,622 INFO L87 Difference]: Start difference. First operand 12461 states and 17899 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:49:55,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:49:57,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:01,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:03,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:04,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:50:04,232 INFO L93 Difference]: Finished difference Result 14042 states and 19858 transitions. [2021-11-25 18:50:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:50:04,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2021-11-25 18:50:04,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:50:04,323 INFO L225 Difference]: With dead ends: 14042 [2021-11-25 18:50:04,324 INFO L226 Difference]: Without dead ends: 14038 [2021-11-25 18:50:04,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:04,334 INFO L933 BasicCegarLoop]: 3028 mSDtfsCounter, 893 mSDsluCounter, 2642 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 5480 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:50:04,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [895 Valid, 5480 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 454 Invalid, 3 Unknown, 0 Unchecked, 11.3s Time] [2021-11-25 18:50:04,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14038 states. [2021-11-25 18:50:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14038 to 14013. [2021-11-25 18:50:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14013 states, 8501 states have (on average 1.2891424538289613) internal successors, (10959), 8741 states have internal predecessors, (10959), 4291 states have call successors, (4291), 1266 states have call predecessors, (4291), 1220 states have return successors, (4561), 4176 states have call predecessors, (4561), 4285 states have call successors, (4561) [2021-11-25 18:50:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14013 states to 14013 states and 19811 transitions. [2021-11-25 18:50:05,162 INFO L78 Accepts]: Start accepts. Automaton has 14013 states and 19811 transitions. Word has length 30 [2021-11-25 18:50:05,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:50:05,163 INFO L470 AbstractCegarLoop]: Abstraction has 14013 states and 19811 transitions. [2021-11-25 18:50:05,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:50:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 14013 states and 19811 transitions. [2021-11-25 18:50:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:50:05,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:50:05,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:50:05,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:50:05,166 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:50:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:50:05,166 INFO L85 PathProgramCache]: Analyzing trace with hash 882554201, now seen corresponding path program 1 times [2021-11-25 18:50:05,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:50:05,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100563047] [2021-11-25 18:50:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:50:05,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:50:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:50:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:50:05,440 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:50:05,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100563047] [2021-11-25 18:50:05,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100563047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:50:05,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:50:05,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:50:05,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972017719] [2021-11-25 18:50:05,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:50:05,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:50:05,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:50:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:50:05,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:05,443 INFO L87 Difference]: Start difference. First operand 14013 states and 19811 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:50:07,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:10,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:12,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:14,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:16,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:18,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:50:19,535 INFO L93 Difference]: Finished difference Result 14031 states and 19829 transitions. [2021-11-25 18:50:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:50:19,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2021-11-25 18:50:19,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:50:19,612 INFO L225 Difference]: With dead ends: 14031 [2021-11-25 18:50:19,613 INFO L226 Difference]: Without dead ends: 14022 [2021-11-25 18:50:19,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:19,625 INFO L933 BasicCegarLoop]: 2973 mSDtfsCounter, 3030 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:50:19,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3034 Valid, 3517 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 5 Unknown, 0 Unchecked, 13.8s Time] [2021-11-25 18:50:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14022 states. [2021-11-25 18:50:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14022 to 14010. [2021-11-25 18:50:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14010 states, 8497 states have (on average 1.2884547487348477) internal successors, (10948), 8736 states have internal predecessors, (10948), 4290 states have call successors, (4290), 1268 states have call predecessors, (4290), 1222 states have return successors, (4561), 4176 states have call predecessors, (4561), 4285 states have call successors, (4561) [2021-11-25 18:50:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14010 states to 14010 states and 19799 transitions. [2021-11-25 18:50:20,435 INFO L78 Accepts]: Start accepts. Automaton has 14010 states and 19799 transitions. Word has length 33 [2021-11-25 18:50:20,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:50:20,436 INFO L470 AbstractCegarLoop]: Abstraction has 14010 states and 19799 transitions. [2021-11-25 18:50:20,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:50:20,436 INFO L276 IsEmpty]: Start isEmpty. Operand 14010 states and 19799 transitions. [2021-11-25 18:50:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:50:20,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:50:20,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:50:20,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:50:20,439 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:50:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:50:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash -566758304, now seen corresponding path program 1 times [2021-11-25 18:50:20,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:50:20,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254133240] [2021-11-25 18:50:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:50:20,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:50:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:50:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:50:20,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:50:20,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254133240] [2021-11-25 18:50:20,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254133240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:50:20,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:50:20,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:50:20,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517556334] [2021-11-25 18:50:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:50:20,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:50:20,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:50:20,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:50:20,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:20,629 INFO L87 Difference]: Start difference. First operand 14010 states and 19799 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 18:50:23,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:26,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:29,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:30,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:50:30,504 INFO L93 Difference]: Finished difference Result 14016 states and 19803 transitions. [2021-11-25 18:50:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:50:30,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2021-11-25 18:50:30,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:50:30,581 INFO L225 Difference]: With dead ends: 14016 [2021-11-25 18:50:30,581 INFO L226 Difference]: Without dead ends: 14013 [2021-11-25 18:50:30,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:30,593 INFO L933 BasicCegarLoop]: 2868 mSDtfsCounter, 340 mSDsluCounter, 2793 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:50:30,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 5435 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 498 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2021-11-25 18:50:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14013 states. [2021-11-25 18:50:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14013 to 14009. [2021-11-25 18:50:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14009 states, 8497 states have (on average 1.286807108391197) internal successors, (10934), 8735 states have internal predecessors, (10934), 4289 states have call successors, (4289), 1268 states have call predecessors, (4289), 1222 states have return successors, (4561), 4176 states have call predecessors, (4561), 4285 states have call successors, (4561) [2021-11-25 18:50:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14009 states to 14009 states and 19784 transitions. [2021-11-25 18:50:31,411 INFO L78 Accepts]: Start accepts. Automaton has 14009 states and 19784 transitions. Word has length 40 [2021-11-25 18:50:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:50:31,411 INFO L470 AbstractCegarLoop]: Abstraction has 14009 states and 19784 transitions. [2021-11-25 18:50:31,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 18:50:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14009 states and 19784 transitions. [2021-11-25 18:50:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:50:31,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:50:31,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:50:31,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:50:31,415 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:50:31,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:50:31,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1915382935, now seen corresponding path program 1 times [2021-11-25 18:50:31,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:50:31,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38400062] [2021-11-25 18:50:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:50:31,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:50:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:50:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:50:31,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:50:31,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38400062] [2021-11-25 18:50:31,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38400062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:50:31,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:50:31,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:50:31,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136761414] [2021-11-25 18:50:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:50:31,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:50:31,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:50:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:50:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:31,609 INFO L87 Difference]: Start difference. First operand 14009 states and 19784 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:50:34,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:39,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:50:40,129 INFO L93 Difference]: Finished difference Result 14189 states and 19922 transitions. [2021-11-25 18:50:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:50:40,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2021-11-25 18:50:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:50:40,224 INFO L225 Difference]: With dead ends: 14189 [2021-11-25 18:50:40,225 INFO L226 Difference]: Without dead ends: 14186 [2021-11-25 18:50:40,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:40,238 INFO L933 BasicCegarLoop]: 2840 mSDtfsCounter, 253 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:50:40,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 5448 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 483 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-25 18:50:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14186 states. [2021-11-25 18:50:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14186 to 14186. [2021-11-25 18:50:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14186 states, 8594 states have (on average 1.2829881312543636) internal successors, (11026), 8831 states have internal predecessors, (11026), 4304 states have call successors, (4304), 1333 states have call predecessors, (4304), 1287 states have return successors, (4577), 4192 states have call predecessors, (4577), 4301 states have call successors, (4577) [2021-11-25 18:50:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14186 states to 14186 states and 19907 transitions. [2021-11-25 18:50:41,072 INFO L78 Accepts]: Start accepts. Automaton has 14186 states and 19907 transitions. Word has length 47 [2021-11-25 18:50:41,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:50:41,073 INFO L470 AbstractCegarLoop]: Abstraction has 14186 states and 19907 transitions. [2021-11-25 18:50:41,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 18:50:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14186 states and 19907 transitions. [2021-11-25 18:50:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 18:50:41,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:50:41,081 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:50:41,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:50:41,081 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:50:41,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:50:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2041219337, now seen corresponding path program 1 times [2021-11-25 18:50:41,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:50:41,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511710025] [2021-11-25 18:50:41,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:50:41,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:50:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:50:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:50:41,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:50:41,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511710025] [2021-11-25 18:50:41,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511710025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:50:41,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:50:41,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:50:41,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533767878] [2021-11-25 18:50:41,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:50:41,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:50:41,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:50:41,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:50:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:41,244 INFO L87 Difference]: Start difference. First operand 14186 states and 19907 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:50:43,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:46,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:51,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:50:52,404 INFO L93 Difference]: Finished difference Result 24429 states and 34238 transitions. [2021-11-25 18:50:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:50:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2021-11-25 18:50:52,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:50:52,476 INFO L225 Difference]: With dead ends: 24429 [2021-11-25 18:50:52,476 INFO L226 Difference]: Without dead ends: 10244 [2021-11-25 18:50:52,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:50:52,559 INFO L933 BasicCegarLoop]: 2840 mSDtfsCounter, 8 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5669 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:50:52,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 5669 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 498 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2021-11-25 18:50:52,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10244 states. [2021-11-25 18:50:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10244 to 10235. [2021-11-25 18:50:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10235 states, 6195 states have (on average 1.2799031476997578) internal successors, (7929), 6363 states have internal predecessors, (7929), 3099 states have call successors, (3099), 975 states have call predecessors, (3099), 940 states have return successors, (3293), 3018 states have call predecessors, (3293), 3096 states have call successors, (3293) [2021-11-25 18:50:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10235 states to 10235 states and 14321 transitions. [2021-11-25 18:50:53,145 INFO L78 Accepts]: Start accepts. Automaton has 10235 states and 14321 transitions. Word has length 68 [2021-11-25 18:50:53,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:50:53,145 INFO L470 AbstractCegarLoop]: Abstraction has 10235 states and 14321 transitions. [2021-11-25 18:50:53,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 18:50:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10235 states and 14321 transitions. [2021-11-25 18:50:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:50:53,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:50:53,153 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 18:50:53,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:50:53,153 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:50:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:50:53,154 INFO L85 PathProgramCache]: Analyzing trace with hash 989123745, now seen corresponding path program 1 times [2021-11-25 18:50:53,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:50:53,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224737703] [2021-11-25 18:50:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:50:53,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:50:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:50:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 18:50:53,377 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:50:53,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224737703] [2021-11-25 18:50:53,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224737703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:50:53,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:50:53,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:50:53,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465029483] [2021-11-25 18:50:53,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:50:53,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:50:53,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:50:53,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:50:53,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:50:53,379 INFO L87 Difference]: Start difference. First operand 10235 states and 14321 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:50:56,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:50:58,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:00,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:06,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:09,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:09,988 INFO L93 Difference]: Finished difference Result 20857 states and 29189 transitions. [2021-11-25 18:51:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:51:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 80 [2021-11-25 18:51:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:10,059 INFO L225 Difference]: With dead ends: 20857 [2021-11-25 18:51:10,059 INFO L226 Difference]: Without dead ends: 13319 [2021-11-25 18:51:10,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:51:10,089 INFO L933 BasicCegarLoop]: 3756 mSDtfsCounter, 3332 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 122 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 9467 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:10,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3351 Valid, 9467 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 824 Invalid, 4 Unknown, 0 Unchecked, 16.0s Time] [2021-11-25 18:51:10,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13319 states. [2021-11-25 18:51:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13319 to 13295. [2021-11-25 18:51:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13295 states, 8049 states have (on average 1.2805317430736738) internal successors, (10307), 8273 states have internal predecessors, (10307), 4018 states have call successors, (4018), 1273 states have call predecessors, (4018), 1227 states have return successors, (4276), 3911 states have call predecessors, (4276), 4015 states have call successors, (4276) [2021-11-25 18:51:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13295 states to 13295 states and 18601 transitions. [2021-11-25 18:51:10,777 INFO L78 Accepts]: Start accepts. Automaton has 13295 states and 18601 transitions. Word has length 80 [2021-11-25 18:51:10,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:10,778 INFO L470 AbstractCegarLoop]: Abstraction has 13295 states and 18601 transitions. [2021-11-25 18:51:10,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-25 18:51:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 13295 states and 18601 transitions. [2021-11-25 18:51:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 18:51:10,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:10,786 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 18:51:10,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:51:10,787 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:10,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:10,788 INFO L85 PathProgramCache]: Analyzing trace with hash 637117756, now seen corresponding path program 1 times [2021-11-25 18:51:10,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:10,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382020358] [2021-11-25 18:51:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 18:51:10,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:10,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382020358] [2021-11-25 18:51:10,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382020358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:10,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:10,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:51:10,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060999960] [2021-11-25 18:51:10,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:10,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:10,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:10,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:10,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:10,979 INFO L87 Difference]: Start difference. First operand 13295 states and 18601 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:51:13,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:15,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:21,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:22,031 INFO L93 Difference]: Finished difference Result 13300 states and 18604 transitions. [2021-11-25 18:51:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:51:22,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2021-11-25 18:51:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:22,090 INFO L225 Difference]: With dead ends: 13300 [2021-11-25 18:51:22,091 INFO L226 Difference]: Without dead ends: 13297 [2021-11-25 18:51:22,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:22,101 INFO L933 BasicCegarLoop]: 3214 mSDtfsCounter, 2596 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 4306 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:22,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2598 Valid, 4306 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2021-11-25 18:51:22,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13297 states. [2021-11-25 18:51:22,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13297 to 13294. [2021-11-25 18:51:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13294 states, 8049 states have (on average 1.2795378307864331) internal successors, (10299), 8272 states have internal predecessors, (10299), 4017 states have call successors, (4017), 1273 states have call predecessors, (4017), 1227 states have return successors, (4276), 3911 states have call predecessors, (4276), 4015 states have call successors, (4276) [2021-11-25 18:51:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13294 states to 13294 states and 18592 transitions. [2021-11-25 18:51:22,720 INFO L78 Accepts]: Start accepts. Automaton has 13294 states and 18592 transitions. Word has length 87 [2021-11-25 18:51:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:22,721 INFO L470 AbstractCegarLoop]: Abstraction has 13294 states and 18592 transitions. [2021-11-25 18:51:22,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 18:51:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 13294 states and 18592 transitions. [2021-11-25 18:51:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-25 18:51:22,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:22,806 INFO L514 BasicCegarLoop]: trace histogram [22, 15, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:22,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:51:22,806 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:22,807 INFO L85 PathProgramCache]: Analyzing trace with hash 450102547, now seen corresponding path program 1 times [2021-11-25 18:51:22,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:22,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447506196] [2021-11-25 18:51:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:22,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2021-11-25 18:51:23,586 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:23,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447506196] [2021-11-25 18:51:23,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447506196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:23,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:23,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:51:23,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796701852] [2021-11-25 18:51:23,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:23,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:23,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:23,590 INFO L87 Difference]: Start difference. First operand 13294 states and 18592 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-25 18:51:26,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:28,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:34,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:34,921 INFO L93 Difference]: Finished difference Result 30938 states and 43084 transitions. [2021-11-25 18:51:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:51:34,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 475 [2021-11-25 18:51:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:34,997 INFO L225 Difference]: With dead ends: 30938 [2021-11-25 18:51:34,998 INFO L226 Difference]: Without dead ends: 17647 [2021-11-25 18:51:35,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:35,046 INFO L933 BasicCegarLoop]: 4331 mSDtfsCounter, 2693 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2697 SdHoareTripleChecker+Valid, 7150 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:35,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2697 Valid, 7150 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 599 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2021-11-25 18:51:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17647 states. [2021-11-25 18:51:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17647 to 17586. [2021-11-25 18:51:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17586 states, 10632 states have (on average 1.2765237020316027) internal successors, (13572), 10935 states have internal predecessors, (13572), 5267 states have call successors, (5267), 1741 states have call predecessors, (5267), 1686 states have return successors, (5579), 5134 states have call predecessors, (5579), 5265 states have call successors, (5579) [2021-11-25 18:51:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17586 states to 17586 states and 24418 transitions. [2021-11-25 18:51:35,998 INFO L78 Accepts]: Start accepts. Automaton has 17586 states and 24418 transitions. Word has length 475 [2021-11-25 18:51:35,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:35,998 INFO L470 AbstractCegarLoop]: Abstraction has 17586 states and 24418 transitions. [2021-11-25 18:51:35,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2021-11-25 18:51:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 17586 states and 24418 transitions. [2021-11-25 18:51:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-11-25 18:51:36,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:36,090 INFO L514 BasicCegarLoop]: trace histogram [22, 15, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:36,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:51:36,091 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1059354963, now seen corresponding path program 1 times [2021-11-25 18:51:36,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:36,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338808844] [2021-11-25 18:51:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:36,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2021-11-25 18:51:36,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338808844] [2021-11-25 18:51:36,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338808844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:36,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:36,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:51:36,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402790057] [2021-11-25 18:51:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:36,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:36,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:36,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:36,706 INFO L87 Difference]: Start difference. First operand 17586 states and 24418 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2021-11-25 18:51:39,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:43,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:46,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:47,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:47,452 INFO L93 Difference]: Finished difference Result 41475 states and 57629 transitions. [2021-11-25 18:51:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:51:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 511 [2021-11-25 18:51:47,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:47,573 INFO L225 Difference]: With dead ends: 41475 [2021-11-25 18:51:47,574 INFO L226 Difference]: Without dead ends: 24343 [2021-11-25 18:51:47,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:47,634 INFO L933 BasicCegarLoop]: 4180 mSDtfsCounter, 2725 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 6998 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:47,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2727 Valid, 6998 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 604 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2021-11-25 18:51:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24343 states. [2021-11-25 18:51:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24343 to 24291. [2021-11-25 18:51:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24291 states, 14742 states have (on average 1.2803554470221137) internal successors, (18875), 15158 states have internal predecessors, (18875), 7207 states have call successors, (7207), 2416 states have call predecessors, (7207), 2341 states have return successors, (7625), 7026 states have call predecessors, (7625), 7205 states have call successors, (7625) [2021-11-25 18:51:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24291 states to 24291 states and 33707 transitions. [2021-11-25 18:51:48,912 INFO L78 Accepts]: Start accepts. Automaton has 24291 states and 33707 transitions. Word has length 511 [2021-11-25 18:51:48,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:48,913 INFO L470 AbstractCegarLoop]: Abstraction has 24291 states and 33707 transitions. [2021-11-25 18:51:48,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 3 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2021-11-25 18:51:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24291 states and 33707 transitions. [2021-11-25 18:51:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-11-25 18:51:48,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:48,980 INFO L514 BasicCegarLoop]: trace histogram [20, 15, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-25 18:51:48,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:51:48,980 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:48,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:48,981 INFO L85 PathProgramCache]: Analyzing trace with hash 835320730, now seen corresponding path program 1 times [2021-11-25 18:51:48,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:48,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080000216] [2021-11-25 18:51:48,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:48,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 24 proven. 40 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2021-11-25 18:51:49,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:49,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080000216] [2021-11-25 18:51:49,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080000216] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:51:49,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135051509] [2021-11-25 18:51:49,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:49,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:49,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:49,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:51:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:53,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 9394 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:51:53,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2021-11-25 18:51:54,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:51:54,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135051509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:54,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:51:54,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-25 18:51:54,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592959019] [2021-11-25 18:51:54,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:54,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:54,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:51:54,803 INFO L87 Difference]: Start difference. First operand 24291 states and 33707 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-25 18:51:57,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:00,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:03,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:04,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:52:04,614 INFO L93 Difference]: Finished difference Result 48143 states and 66889 transitions. [2021-11-25 18:52:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:52:04,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 514 [2021-11-25 18:52:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:52:04,736 INFO L225 Difference]: With dead ends: 48143 [2021-11-25 18:52:04,737 INFO L226 Difference]: Without dead ends: 24306 [2021-11-25 18:52:04,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:52:04,836 INFO L933 BasicCegarLoop]: 2832 mSDtfsCounter, 1 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:52:04,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 5661 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 499 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-11-25 18:52:04,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24306 states. [2021-11-25 18:52:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24306 to 24296. [2021-11-25 18:52:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24296 states, 14747 states have (on average 1.2802603919441242) internal successors, (18880), 15163 states have internal predecessors, (18880), 7207 states have call successors, (7207), 2416 states have call predecessors, (7207), 2341 states have return successors, (7625), 7026 states have call predecessors, (7625), 7205 states have call successors, (7625) [2021-11-25 18:52:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24296 states to 24296 states and 33712 transitions. [2021-11-25 18:52:06,228 INFO L78 Accepts]: Start accepts. Automaton has 24296 states and 33712 transitions. Word has length 514 [2021-11-25 18:52:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:52:06,229 INFO L470 AbstractCegarLoop]: Abstraction has 24296 states and 33712 transitions. [2021-11-25 18:52:06,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-25 18:52:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 24296 states and 33712 transitions. [2021-11-25 18:52:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-25 18:52:06,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:52:06,315 INFO L514 BasicCegarLoop]: trace histogram [22, 15, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:52:06,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:52:06,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:52:06,516 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:52:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:52:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2083580420, now seen corresponding path program 1 times [2021-11-25 18:52:06,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:52:06,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981289384] [2021-11-25 18:52:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:06,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:52:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-11-25 18:52:07,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:52:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981289384] [2021-11-25 18:52:07,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981289384] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:52:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095701664] [2021-11-25 18:52:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:07,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:52:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:52:07,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:52:07,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65315856-11ad-4194-8af4-eddedc5c7df7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:52:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:10,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 9598 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:52:10,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:52:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2021-11-25 18:52:12,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:52:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2021-11-25 18:52:13,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095701664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:52:13,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1648826636] [2021-11-25 18:52:13,960 INFO L159 IcfgInterpreter]: Started Sifa with 305 locations of interest [2021-11-25 18:52:13,960 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:52:13,967 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:52:13,973 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:52:13,974 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:52:16,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:16,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:17,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:17,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:17,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:17,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:17,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-25 18:52:19,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:52:19,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:52:19,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 18:52:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:22,549 INFO L244 Elim1Store]: Index analysis took 739 ms [2021-11-25 18:52:22,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 307 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 196 [2021-11-25 18:52:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:26,555 INFO L244 Elim1Store]: Index analysis took 665 ms [2021-11-25 18:52:26,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 65 select indices, 65 select index equivalence classes, 307 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 196 [2021-11-25 18:52:29,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:29,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:29,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:30,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:30,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:30,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:32,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:32,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:32,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:33,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:33,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:33,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:48,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:48,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:48,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:48,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:48,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:48,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:51,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:51,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:51,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:51,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:52:51,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:52:52,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:16,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:16,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:16,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:16,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:16,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:16,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:22,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:22,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:22,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:22,630 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:22,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:22,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:28,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:28,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:28,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:28,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:28,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:28,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:38,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:38,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:38,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:38,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:38,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:38,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:40,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:40,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:53:40,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:41,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:41,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:53:41,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:01,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:01,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:01,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:01,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:01,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:01,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:07,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:07,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:07,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:07,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:07,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:07,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:54:22,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:22,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:22,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:22,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:22,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:22,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:28,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:28,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:28,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:28,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:28,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:54:28,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:54:42,458 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 333 for LOIs [2021-11-25 18:54:42,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:54:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:54:48,265 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 356 for LOIs [2021-11-25 18:54:48,609 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 352 for LOIs [2021-11-25 18:54:48,760 INFO L197 IcfgInterpreter]: Interpreting procedure nhi_resume_noirq with input of size 354 for LOIs [2021-11-25 18:55:04,650 INFO L197 IcfgInterpreter]: Interpreting procedure tb_ctl_start with input of size 367 for LOIs [2021-11-25 18:55:05,876 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_mutex_lock_lock_of_tb with input of size 345 for LOIs [2021-11-25 18:55:06,300 INFO L197 IcfgInterpreter]: Interpreting procedure pci_get_drvdata with input of size 335 for LOIs [2021-11-25 18:55:06,444 INFO L197 IcfgInterpreter]: Interpreting procedure ring_start with input of size 373 for LOIs [2021-11-25 18:55:20,845 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_mutex_lock_lock_of_tb_nhi with input of size 364 for LOIs [2021-11-25 18:55:21,285 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_mutex_lock_lock_of_tb_ring with input of size 358 for LOIs [2021-11-25 18:55:21,864 INFO L197 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 328 for LOIs [2021-11-25 18:55:21,998 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 365 for LOIs [2021-11-25 18:55:22,140 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:55:52,077 WARN L227 SmtUtils]: Spent 29.60s on a formula simplification that was a NOOP. DAG size: 2018 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:56:40,435 WARN L227 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 585 DAG size of output: 583 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:57:14,744 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 425 DAG size of output: 273 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:57:28,042 WARN L227 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 510 DAG size of output: 320 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:57:40,838 WARN L227 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 520 DAG size of output: 342 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:57:50,799 WARN L227 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 521 DAG size of output: 304 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:58:03,133 WARN L227 SmtUtils]: Spent 11.28s on a formula simplification. DAG size of input: 518 DAG size of output: 340 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:58:19,154 WARN L227 SmtUtils]: Spent 14.71s on a formula simplification. DAG size of input: 553 DAG size of output: 333 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:58:34,365 WARN L227 SmtUtils]: Spent 13.70s on a formula simplification. DAG size of input: 540 DAG size of output: 336 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:59:53,793 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 369 DAG size of output: 287 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)