./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-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW --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 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:06:34,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:06:34,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:06:35,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:06:35,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:06:35,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:06:35,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:06:35,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:06:35,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:06:35,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:06:35,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:06:35,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:06:35,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:06:35,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:06:35,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:06:35,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:06:35,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:06:35,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:06:35,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:06:35,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:06:35,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:06:35,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:06:35,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:06:35,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:06:35,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:06:35,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:06:35,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:06:35,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:06:35,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:06:35,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:06:35,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:06:35,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:06:35,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:06:35,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:06:35,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:06:35,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:06:35,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:06:35,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:06:35,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:06:35,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:06:35,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:06:35,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:06:35,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:06:35,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:06:35,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:06:35,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:06:35,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:06:35,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:06:35,127 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:06:35,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:06:35,127 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:06:35,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:06:35,127 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:06:35,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:06:35,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:06:35,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:06:35,128 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:06:35,128 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:06:35,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:06:35,129 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:06:35,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:06:35,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:06:35,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:06:35,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:06:35,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:06:35,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:06:35,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:06:35,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:06:35,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:06:35,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:06:35,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:06:35,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:06:35,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:06:35,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:06:35,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:06:35,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:06:35,132 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:06:35,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:06:35,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:06:35,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:06:35,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 [2022-11-23 16:06:35,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:06:35,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:06:35,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:06:35,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:06:35,435 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:06:35,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2022-11-23 16:06:38,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:06:39,127 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:06:39,127 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2022-11-23 16:06:39,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/data/ebf77a5f9/8dd66fdf955b4efeb1f397b9761f003e/FLAGfdb650357 [2022-11-23 16:06:39,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/data/ebf77a5f9/8dd66fdf955b4efeb1f397b9761f003e [2022-11-23 16:06:39,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:06:39,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:06:39,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:06:39,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:06:39,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:06:39,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:39" (1/1) ... [2022-11-23 16:06:39,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3b92f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:39, skipping insertion in model container [2022-11-23 16:06:39,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:39" (1/1) ... [2022-11-23 16:06:39,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:06:39,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:06:40,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2022-11-23 16:06:40,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:06:40,607 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:06:40,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2022-11-23 16:06:40,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:06:40,965 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:06:40,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40 WrapperNode [2022-11-23 16:06:40,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:06:40,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:06:40,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:06:40,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:06:41,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,199 INFO L138 Inliner]: procedures = 138, calls = 851, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1741 [2022-11-23 16:06:41,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:06:41,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:06:41,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:06:41,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:06:41,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:06:41,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:06:41,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:06:41,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:06:41,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (1/1) ... [2022-11-23 16:06:41,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:06:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:06:41,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:06:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:06:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 16:06:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 16:06:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 16:06:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 16:06:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 16:06:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:06:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 16:06:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 16:06:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 16:06:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 16:06:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 16:06:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 16:06:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2022-11-23 16:06:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2022-11-23 16:06:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 16:06:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 16:06:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2022-11-23 16:06:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2022-11-23 16:06:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 16:06:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 16:06:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:06:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 16:06:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 16:06:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 16:06:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 16:06:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 16:06:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 16:06:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 16:06:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 16:06:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2022-11-23 16:06:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2022-11-23 16:06:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 16:06:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 16:06:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 16:06:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 16:06:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:06:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 16:06:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 16:06:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 16:06:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 16:06:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 16:06:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 16:06:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:06:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:06:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:06:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 16:06:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 16:06:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 16:06:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-23 16:06:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-23 16:06:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-23 16:06:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-23 16:06:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:06:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 16:06:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 16:06:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 16:06:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 16:06:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:06:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 16:06:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-23 16:06:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-23 16:06:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:06:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 16:06:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:06:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:06:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-23 16:06:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-23 16:06:42,002 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:06:42,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:06:42,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 16:06:44,156 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:06:44,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:06:44,517 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 16:06:44,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:06:44 BoogieIcfgContainer [2022-11-23 16:06:44,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:06:44,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:06:44,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:06:44,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:06:44,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:06:39" (1/3) ... [2022-11-23 16:06:44,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa03267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:06:44, skipping insertion in model container [2022-11-23 16:06:44,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:40" (2/3) ... [2022-11-23 16:06:44,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa03267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:06:44, skipping insertion in model container [2022-11-23 16:06:44,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:06:44" (3/3) ... [2022-11-23 16:06:44,543 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2022-11-23 16:06:44,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:06:44,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 16:06:44,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:06:44,630 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52883d74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:06:44,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 16:06:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 191 states have (on average 1.450261780104712) internal successors, (277), 199 states have internal predecessors, (277), 67 states have call successors, (67), 25 states have call predecessors, (67), 24 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-23 16:06:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-23 16:06:44,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:44,659 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:44,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash 881366556, now seen corresponding path program 1 times [2022-11-23 16:06:44,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:44,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009098880] [2022-11-23 16:06:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:44,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 16:06:45,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:45,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009098880] [2022-11-23 16:06:45,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009098880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:45,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:45,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:06:45,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52797556] [2022-11-23 16:06:45,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:45,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:06:45,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:45,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:06:45,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:06:45,461 INFO L87 Difference]: Start difference. First operand has 284 states, 191 states have (on average 1.450261780104712) internal successors, (277), 199 states have internal predecessors, (277), 67 states have call successors, (67), 25 states have call predecessors, (67), 24 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 16:06:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:46,671 INFO L93 Difference]: Finished difference Result 552 states and 802 transitions. [2022-11-23 16:06:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:06:46,674 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 132 [2022-11-23 16:06:46,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:46,686 INFO L225 Difference]: With dead ends: 552 [2022-11-23 16:06:46,686 INFO L226 Difference]: Without dead ends: 277 [2022-11-23 16:06:46,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:06:46,695 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:46,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 336 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 16:06:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-11-23 16:06:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-11-23 16:06:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 189 states have (on average 1.417989417989418) internal successors, (268), 192 states have internal predecessors, (268), 64 states have call successors, (64), 24 states have call predecessors, (64), 23 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-23 16:06:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 395 transitions. [2022-11-23 16:06:46,758 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 395 transitions. Word has length 132 [2022-11-23 16:06:46,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:46,759 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 395 transitions. [2022-11-23 16:06:46,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 16:06:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 395 transitions. [2022-11-23 16:06:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-23 16:06:46,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:46,765 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:46,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:06:46,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:46,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1740405804, now seen corresponding path program 1 times [2022-11-23 16:06:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:46,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493729965] [2022-11-23 16:06:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:46,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 16:06:47,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:47,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493729965] [2022-11-23 16:06:47,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493729965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:47,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:47,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:06:47,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456333945] [2022-11-23 16:06:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:47,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:06:47,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:06:47,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:47,071 INFO L87 Difference]: Start difference. First operand 277 states and 395 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 16:06:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:47,909 INFO L93 Difference]: Finished difference Result 561 states and 801 transitions. [2022-11-23 16:06:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:47,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2022-11-23 16:06:47,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:47,916 INFO L225 Difference]: With dead ends: 561 [2022-11-23 16:06:47,917 INFO L226 Difference]: Without dead ends: 299 [2022-11-23 16:06:47,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:47,919 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 43 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:47,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 633 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 16:06:47,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-23 16:06:47,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-11-23 16:06:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 208 states have (on average 1.4230769230769231) internal successors, (296), 211 states have internal predecessors, (296), 65 states have call successors, (65), 26 states have call predecessors, (65), 25 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-23 16:06:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 425 transitions. [2022-11-23 16:06:47,946 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 425 transitions. Word has length 133 [2022-11-23 16:06:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:47,947 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 425 transitions. [2022-11-23 16:06:47,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 16:06:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 425 transitions. [2022-11-23 16:06:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-23 16:06:47,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:47,952 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:47,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:06:47,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2131710009, now seen corresponding path program 1 times [2022-11-23 16:06:47,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:47,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098107294] [2022-11-23 16:06:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:47,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-23 16:06:48,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:48,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098107294] [2022-11-23 16:06:48,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098107294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:48,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:48,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:06:48,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684340322] [2022-11-23 16:06:48,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:48,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:06:48,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:48,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:06:48,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:06:48,960 INFO L87 Difference]: Start difference. First operand 299 states and 425 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 16:06:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:50,654 INFO L93 Difference]: Finished difference Result 582 states and 829 transitions. [2022-11-23 16:06:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 16:06:50,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2022-11-23 16:06:50,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:50,657 INFO L225 Difference]: With dead ends: 582 [2022-11-23 16:06:50,657 INFO L226 Difference]: Without dead ends: 299 [2022-11-23 16:06:50,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:06:50,659 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:50,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 982 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 16:06:50,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-23 16:06:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2022-11-23 16:06:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 208 states have (on average 1.4182692307692308) internal successors, (295), 211 states have internal predecessors, (295), 65 states have call successors, (65), 26 states have call predecessors, (65), 25 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-11-23 16:06:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 424 transitions. [2022-11-23 16:06:50,714 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 424 transitions. Word has length 167 [2022-11-23 16:06:50,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:50,715 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 424 transitions. [2022-11-23 16:06:50,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 16:06:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 424 transitions. [2022-11-23 16:06:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-23 16:06:50,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:50,723 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:50,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:06:50,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash 384185803, now seen corresponding path program 1 times [2022-11-23 16:06:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:50,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897480773] [2022-11-23 16:06:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-23 16:06:51,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:51,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897480773] [2022-11-23 16:06:51,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897480773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:51,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:51,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 16:06:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143681129] [2022-11-23 16:06:51,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:51,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 16:06:51,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:51,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 16:06:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 16:06:51,557 INFO L87 Difference]: Start difference. First operand 299 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 16:06:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:53,835 INFO L93 Difference]: Finished difference Result 653 states and 931 transitions. [2022-11-23 16:06:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 16:06:53,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 174 [2022-11-23 16:06:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:53,839 INFO L225 Difference]: With dead ends: 653 [2022-11-23 16:06:53,839 INFO L226 Difference]: Without dead ends: 372 [2022-11-23 16:06:53,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-23 16:06:53,841 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 185 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:53,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1206 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 16:06:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-23 16:06:53,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 359. [2022-11-23 16:06:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 262 states have (on average 1.4351145038167938) internal successors, (376), 265 states have internal predecessors, (376), 67 states have call successors, (67), 30 states have call predecessors, (67), 29 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-23 16:06:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 509 transitions. [2022-11-23 16:06:53,875 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 509 transitions. Word has length 174 [2022-11-23 16:06:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:53,877 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 509 transitions. [2022-11-23 16:06:53,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 16:06:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 509 transitions. [2022-11-23 16:06:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-23 16:06:53,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:53,884 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:53,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:06:53,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:53,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:53,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1756165110, now seen corresponding path program 1 times [2022-11-23 16:06:53,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:53,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393303878] [2022-11-23 16:06:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-23 16:06:54,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:54,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393303878] [2022-11-23 16:06:54,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393303878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:54,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:06:54,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:06:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546832678] [2022-11-23 16:06:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:54,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:06:54,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:54,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:06:54,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:54,278 INFO L87 Difference]: Start difference. First operand 359 states and 509 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 16:06:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:55,479 INFO L93 Difference]: Finished difference Result 711 states and 1019 transitions. [2022-11-23 16:06:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 183 [2022-11-23 16:06:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:55,484 INFO L225 Difference]: With dead ends: 711 [2022-11-23 16:06:55,484 INFO L226 Difference]: Without dead ends: 370 [2022-11-23 16:06:55,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:06:55,487 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 8 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:55,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 667 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 16:06:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-11-23 16:06:55,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2022-11-23 16:06:55,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 263 states have (on average 1.4334600760456273) internal successors, (377), 266 states have internal predecessors, (377), 67 states have call successors, (67), 30 states have call predecessors, (67), 29 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-23 16:06:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2022-11-23 16:06:55,509 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 183 [2022-11-23 16:06:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:55,510 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2022-11-23 16:06:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 16:06:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2022-11-23 16:06:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-23 16:06:55,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:55,514 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:06:55,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 16:06:55,514 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:55,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1581984749, now seen corresponding path program 1 times [2022-11-23 16:06:55,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:55,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989631928] [2022-11-23 16:06:55,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:55,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-23 16:06:55,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:55,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989631928] [2022-11-23 16:06:55,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989631928] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:06:55,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127743303] [2022-11-23 16:06:55,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:55,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:06:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:06:55,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:06:55,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 16:06:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:56,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 16:06:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:06:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-23 16:06:56,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:06:56,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127743303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:06:56,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:06:56,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 16:06:56,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734676440] [2022-11-23 16:06:56,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:06:56,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:06:56,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:06:56,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:06:56,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:06:56,784 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 16:06:57,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:57,904 INFO L93 Difference]: Finished difference Result 708 states and 1013 transitions. [2022-11-23 16:06:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:57,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 185 [2022-11-23 16:06:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:57,909 INFO L225 Difference]: With dead ends: 708 [2022-11-23 16:06:57,909 INFO L226 Difference]: Without dead ends: 366 [2022-11-23 16:06:57,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:06:57,912 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:57,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 651 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 16:06:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-23 16:06:57,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2022-11-23 16:06:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 267 states have (on average 1.4344569288389513) internal successors, (383), 270 states have internal predecessors, (383), 67 states have call successors, (67), 30 states have call predecessors, (67), 29 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-11-23 16:06:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 516 transitions. [2022-11-23 16:06:57,946 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 516 transitions. Word has length 185 [2022-11-23 16:06:57,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:06:57,947 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 516 transitions. [2022-11-23 16:06:57,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 16:06:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 516 transitions. [2022-11-23 16:06:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-23 16:06:57,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:06:57,953 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 16:06:57,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 16:06:58,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:06:58,163 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:06:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:06:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1299304133, now seen corresponding path program 1 times [2022-11-23 16:06:58,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:06:58,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786142083] [2022-11-23 16:06:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:58,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:06:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-23 16:06:58,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:06:58,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786142083] [2022-11-23 16:06:58,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786142083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:06:58,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242811958] [2022-11-23 16:06:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:06:58,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:06:58,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:06:58,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:06:58,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 16:06:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:06:59,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2323 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 16:06:59,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:06:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-23 16:06:59,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:06:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-23 16:06:59,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242811958] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:06:59,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [22421683] [2022-11-23 16:06:59,622 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2022-11-23 16:06:59,623 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:06:59,628 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:06:59,634 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:06:59,635 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:07:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:00,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:00,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:00,746 INFO L217 Elim1Store]: Index analysis took 250 ms [2022-11-23 16:07:18,982 WARN L233 SmtUtils]: Spent 18.19s on a formula simplification. DAG size of input: 1377 DAG size of output: 604 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:07:19,005 INFO L321 Elim1Store]: treesize reduction 5116, result has 17.3 percent of original size [2022-11-23 16:07:19,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 956 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 270 case distinctions, treesize of input 304 treesize of output 1273 [2022-11-23 16:07:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 1133 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 370 [2022-11-23 16:07:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:20,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 58 select indices, 58 select index equivalence classes, 521 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 534 treesize of output 693 [2022-11-23 16:07:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:21,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 58 select indices, 58 select index equivalence classes, 521 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 540 treesize of output 699 [2022-11-23 16:07:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:22,199 INFO L217 Elim1Store]: Index analysis took 143 ms [2022-11-23 16:07:22,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 101 select indices, 101 select index equivalence classes, 997 disjoint index pairs (out of 5050 index pairs), introduced 101 new quantified variables, introduced 0 case distinctions, treesize of input 885 treesize of output 1177 [2022-11-23 16:07:31,826 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1486 for LOIs [2022-11-23 16:07:45,366 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1486 for LOIs [2022-11-23 16:07:49,548 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:08:20,804 WARN L233 SmtUtils]: Spent 31.12s on a formula simplification. DAG size of input: 1482 DAG size of output: 1054 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:08:50,820 WARN L233 SmtUtils]: Spent 29.68s on a formula simplification. DAG size of input: 1486 DAG size of output: 1404 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:09:20,910 WARN L233 SmtUtils]: Spent 29.69s on a formula simplification. DAG size of input: 1494 DAG size of output: 1412 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:09:45,994 WARN L233 SmtUtils]: Spent 24.71s on a formula simplification. DAG size of input: 1486 DAG size of output: 1404 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:10:11,292 WARN L233 SmtUtils]: Spent 24.84s on a formula simplification. DAG size of input: 1488 DAG size of output: 1406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:10:11,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [22421683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:10:11,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:10:11,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4, 4] total 12 [2022-11-23 16:10:11,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191432624] [2022-11-23 16:10:11,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:10:11,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 16:10:11,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:10:11,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 16:10:11,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-23 16:10:11,445 INFO L87 Difference]: Start difference. First operand 364 states and 516 transitions. Second operand has 7 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-23 16:10:36,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 16:10:39,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 16:10:40,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 16:10:43,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:10:43,273 INFO L93 Difference]: Finished difference Result 730 states and 1037 transitions. [2022-11-23 16:10:43,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 16:10:43,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 3 states have call successors, (22) Word has length 190 [2022-11-23 16:10:43,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:10:43,277 INFO L225 Difference]: With dead ends: 730 [2022-11-23 16:10:43,278 INFO L226 Difference]: Without dead ends: 368 [2022-11-23 16:10:43,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 557 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 141.8s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-23 16:10:43,280 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 2 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:10:43,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1106 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1261 Invalid, 1 Unknown, 0 Unchecked, 31.7s Time] [2022-11-23 16:10:43,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-11-23 16:10:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2022-11-23 16:10:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 270 states have (on average 1.4296296296296296) internal successors, (386), 272 states have internal predecessors, (386), 68 states have call successors, (68), 32 states have call predecessors, (68), 29 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-23 16:10:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 521 transitions. [2022-11-23 16:10:43,342 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 521 transitions. Word has length 190 [2022-11-23 16:10:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:10:43,342 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 521 transitions. [2022-11-23 16:10:43,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-23 16:10:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 521 transitions. [2022-11-23 16:10:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-23 16:10:43,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:10:43,347 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:10:43,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:10:43,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:10:43,556 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:10:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:10:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2029326023, now seen corresponding path program 1 times [2022-11-23 16:10:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:10:43,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769431862] [2022-11-23 16:10:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:10:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:10:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:10:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-23 16:10:43,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:10:43,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769431862] [2022-11-23 16:10:43,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769431862] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:10:43,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179569274] [2022-11-23 16:10:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:10:43,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:10:43,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:10:43,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:10:44,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057b486c-6f2c-4183-9870-0a4bfc58fe2e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:10:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:10:44,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 16:10:44,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:10:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-23 16:10:44,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:10:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-23 16:10:44,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179569274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:10:44,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [757213145] [2022-11-23 16:10:44,908 INFO L159 IcfgInterpreter]: Started Sifa with 121 locations of interest [2022-11-23 16:10:44,908 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:10:44,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:10:44,909 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:10:44,909 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:10:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,476 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-23 16:10:45,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 101 select indices, 101 select index equivalence classes, 997 disjoint index pairs (out of 5050 index pairs), introduced 101 new quantified variables, introduced 0 case distinctions, treesize of input 885 treesize of output 1177 [2022-11-23 16:10:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:10:46,019 INFO L217 Elim1Store]: Index analysis took 248 ms [2022-11-23 16:11:03,959 WARN L233 SmtUtils]: Spent 17.92s on a formula simplification. DAG size of input: 1377 DAG size of output: 604 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:11:03,961 INFO L321 Elim1Store]: treesize reduction 5116, result has 17.3 percent of original size [2022-11-23 16:11:03,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 956 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 270 case distinctions, treesize of input 304 treesize of output 1273 [2022-11-23 16:11:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:04,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 58 select indices, 58 select index equivalence classes, 521 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 540 treesize of output 699 [2022-11-23 16:11:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 1133 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 370 [2022-11-23 16:11:05,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:05,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 58 select indices, 58 select index equivalence classes, 521 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 534 treesize of output 693 [2022-11-23 16:11:08,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 16:11:08,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 16:11:08,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 16:11:08,878 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 16:11:08,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-23 16:11:08,903 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 16:11:08,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-23 16:11:08,928 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 16:11:08,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 16:11:08,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:11:08,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 16:11:08,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:11:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:10,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:10,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,123 INFO L217 Elim1Store]: Index analysis took 131 ms [2022-11-23 16:11:11,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 101 select indices, 101 select index equivalence classes, 997 disjoint index pairs (out of 5050 index pairs), introduced 101 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 309 [2022-11-23 16:11:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 516 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 519 treesize of output 175 [2022-11-23 16:11:11,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:11,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 516 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 525 treesize of output 181 [2022-11-23 16:11:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:16,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 516 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 525 treesize of output 181 [2022-11-23 16:11:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 101 select indices, 101 select index equivalence classes, 997 disjoint index pairs (out of 5050 index pairs), introduced 101 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 309 [2022-11-23 16:11:17,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:17,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 516 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 519 treesize of output 175 [2022-11-23 16:11:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:42,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:43,740 INFO L321 Elim1Store]: treesize reduction 486, result has 45.6 percent of original size [2022-11-23 16:11:43,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 48 select indices, 48 select index equivalence classes, 1135 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 47 case distinctions, treesize of input 247 treesize of output 562 [2022-11-23 16:11:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:46,605 INFO L321 Elim1Store]: treesize reduction 846, result has 33.4 percent of original size [2022-11-23 16:11:46,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1178 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 94 case distinctions, treesize of input 257 treesize of output 589 [2022-11-23 16:11:49,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 16:11:49,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 16:11:49,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-23 16:11:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1182 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-23 16:11:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:50,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-23 16:11:53,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1182 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-11-23 16:11:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:11:53,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-11-23 16:12:41,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:12:41,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:12:41,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:12:42,176 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:12:42,180 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:12:42,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:13:22,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:13:22,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:13:23,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:13:23,489 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:13:23,494 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:13:23,515 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:14:14,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:14:14,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-11-23 16:14:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:14:14,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-23 16:14:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:14:14,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-11-23 16:14:17,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:14:17,963 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:00,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:15:01,435 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:03,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 50 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 16:15:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:17,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 50 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 16:15:33,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 16:15:33,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 16:15:34,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:34,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:34,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:35,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:37,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:15:37,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:37,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:37,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:37,410 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:37,416 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:39,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:39,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 16:15:39,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 16:15:39,247 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:39,249 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:39,252 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 16:15:50,264 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 120 for LOIs [2022-11-23 16:15:50,455 INFO L197 IcfgInterpreter]: Interpreting procedure INIT_LIST_HEAD with input of size 120 for LOIs [2022-11-23 16:15:50,496 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 226 for LOIs [2022-11-23 16:15:51,135 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 16:15:51,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:15:51,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 16:15:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:51,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 16:15:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:51,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 16:15:51,891 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-23 16:15:51,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-23 16:15:51,944 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 16:15:51,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:15:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:51,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 16:15:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:52,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 16:15:53,447 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-23 16:15:53,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-11-23 16:15:53,492 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 16:15:53,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:15:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:53,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 16:15:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:15:53,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 16:15:53,605 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 239 for LOIs [2022-11-23 16:15:53,860 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 184 for LOIs [2022-11-23 16:15:53,974 INFO L197 IcfgInterpreter]: Interpreting procedure mraid_mm_ioctl with input of size 153 for LOIs [2022-11-23 16:15:54,174 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 129 for LOIs [2022-11-23 16:15:54,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:15:54,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 16:15:54,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 16:15:54,654 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:16:27,255 WARN L233 SmtUtils]: Spent 32.48s on a formula simplification. DAG size of input: 1482 DAG size of output: 1054 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:16:39,034 WARN L233 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 850 DAG size of output: 406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:16:48,175 WARN L233 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 843 DAG size of output: 402 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:16:57,378 WARN L233 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 850 DAG size of output: 407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:17:06,767 WARN L233 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 850 DAG size of output: 406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:17:16,068 WARN L233 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 850 DAG size of output: 407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:17:25,526 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 849 DAG size of output: 408 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:17:35,444 WARN L233 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 856 DAG size of output: 412 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:18:34,990 WARN L233 SmtUtils]: Spent 17.94s on a formula simplification. DAG size of input: 893 DAG size of output: 825 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:18:54,648 WARN L233 SmtUtils]: Spent 18.52s on a formula simplification. DAG size of input: 890 DAG size of output: 825 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:19:14,288 WARN L233 SmtUtils]: Spent 18.42s on a formula simplification. DAG size of input: 896 DAG size of output: 825 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 16:19:24,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [757213145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:19:24,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 16:19:24,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [4, 4, 4] total 58 [2022-11-23 16:19:24,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262594217] [2022-11-23 16:19:24,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:19:24,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-23 16:19:24,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:19:24,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-23 16:19:24,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=3080, Unknown=0, NotChecked=0, Total=3306 [2022-11-23 16:19:24,692 INFO L87 Difference]: Start difference. First operand 368 states and 521 transitions. Second operand has 53 states, 37 states have (on average 2.324324324324324) internal successors, (86), 34 states have internal predecessors, (86), 11 states have call successors, (26), 8 states have call predecessors, (26), 7 states have return successors, (22), 12 states have call predecessors, (22), 10 states have call successors, (22) [2022-11-23 16:20:33,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 16:20:38,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:20:40,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]