./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI --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 7f108eec0e6f75d7c7724c96156fb3bec5ecbcd0f2a8def1b3ebffa34d9deb6c --- 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-5e519f3 [2022-11-03 02:30:38,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:30:38,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:30:38,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:30:38,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:30:39,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:30:39,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:30:39,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:30:39,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:30:39,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:30:39,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:30:39,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:30:39,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:30:39,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:30:39,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:30:39,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:30:39,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:30:39,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:30:39,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:30:39,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:30:39,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:30:39,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:30:39,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:30:39,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:30:39,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:30:39,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:30:39,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:30:39,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:30:39,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:30:39,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:30:39,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:30:39,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:30:39,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:30:39,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:30:39,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:30:39,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:30:39,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:30:39,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:30:39,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:30:39,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:30:39,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:30:39,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:30:39,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:30:39,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:30:39,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:30:39,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:30:39,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:30:39,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:30:39,109 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:30:39,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:30:39,109 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:30:39,110 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:30:39,111 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:30:39,111 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:30:39,111 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:30:39,111 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:30:39,118 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:30:39,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:30:39,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:30:39,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:30:39,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:30:39,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:30:39,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:30:39,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:30:39,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:30:39,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:30:39,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:30:39,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:30:39,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:30:39,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:30:39,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:30:39,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:30:39,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:30:39,125 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:30:39,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:30:39,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:30:39,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:30:39,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:30:39,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:30:39,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:30:39,127 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_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f108eec0e6f75d7c7724c96156fb3bec5ecbcd0f2a8def1b3ebffa34d9deb6c [2022-11-03 02:30:39,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:30:39,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:30:39,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:30:39,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:30:39,462 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:30:39,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2022-11-03 02:30:39,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/data/69e323e8f/b21084da0900451a8fbf7c6b819b98f0/FLAGc856b2d9f [2022-11-03 02:30:40,286 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:30:40,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2022-11-03 02:30:40,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/data/69e323e8f/b21084da0900451a8fbf7c6b819b98f0/FLAGc856b2d9f [2022-11-03 02:30:40,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/data/69e323e8f/b21084da0900451a8fbf7c6b819b98f0 [2022-11-03 02:30:40,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:30:40,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:30:40,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:30:40,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:30:40,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:30:40,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:30:40" (1/1) ... [2022-11-03 02:30:40,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49596221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:40, skipping insertion in model container [2022-11-03 02:30:40,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:30:40" (1/1) ... [2022-11-03 02:30:40,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:30:40,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:30:41,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i[114617,114630] [2022-11-03 02:30:42,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:30:42,346 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:30:42,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i[114617,114630] [2022-11-03 02:30:42,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:30:42,797 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:30:42,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42 WrapperNode [2022-11-03 02:30:42,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:30:42,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:30:42,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:30:42,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:30:42,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:42,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,064 INFO L138 Inliner]: procedures = 222, calls = 1486, calls flagged for inlining = 101, calls inlined = 96, statements flattened = 3995 [2022-11-03 02:30:43,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:30:43,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:30:43,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:30:43,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:30:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:30:43,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:30:43,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:30:43,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:30:43,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (1/1) ... [2022-11-03 02:30:43,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:30:43,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:30:43,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:30:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:30:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:30:43,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:30:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2022-11-03 02:30:43,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2022-11-03 02:30:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:30:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:30:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:30:43,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:30:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-03 02:30:43,518 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-03 02:30:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-03 02:30:43,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-03 02:30:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2022-11-03 02:30:43,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2022-11-03 02:30:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-03 02:30:43,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-03 02:30:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:30:43,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:30:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-03 02:30:43,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-03 02:30:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-03 02:30:43,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-03 02:30:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-03 02:30:43,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-03 02:30:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2022-11-03 02:30:43,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2022-11-03 02:30:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-03 02:30:43,522 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-03 02:30:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:30:43,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:30:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:30:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:30:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:30:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:30:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:30:43,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:30:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-03 02:30:43,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-03 02:30:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:30:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-03 02:30:43,525 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-03 02:30:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:30:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2022-11-03 02:30:43,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2022-11-03 02:30:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-03 02:30:43,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-03 02:30:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2022-11-03 02:30:43,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2022-11-03 02:30:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:30:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-03 02:30:43,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-03 02:30:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 02:30:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-03 02:30:43,527 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-03 02:30:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_show [2022-11-03 02:30:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_show [2022-11-03 02:30:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-03 02:30:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-03 02:30:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:30:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:30:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:30:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:30:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:30:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:30:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:30:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:30:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:30:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:30:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2022-11-03 02:30:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2022-11-03 02:30:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 02:30:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 02:30:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2022-11-03 02:30:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2022-11-03 02:30:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-03 02:30:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-03 02:30:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:30:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:30:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:30:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-03 02:30:43,533 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-03 02:30:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:30:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2022-11-03 02:30:43,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2022-11-03 02:30:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-03 02:30:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-03 02:30:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:30:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-03 02:30:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-03 02:30:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-03 02:30:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-03 02:30:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2022-11-03 02:30:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2022-11-03 02:30:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_attribute_store [2022-11-03 02:30:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_attribute_store [2022-11-03 02:30:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:30:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:30:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 02:30:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 02:30:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2022-11-03 02:30:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2022-11-03 02:30:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 02:30:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 02:30:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2022-11-03 02:30:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2022-11-03 02:30:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:30:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:30:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2022-11-03 02:30:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2022-11-03 02:30:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 02:30:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 02:30:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:30:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-11-03 02:30:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-11-03 02:30:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-03 02:30:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-03 02:30:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2022-11-03 02:30:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2022-11-03 02:30:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-03 02:30:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-03 02:30:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:30:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:30:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:30:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2022-11-03 02:30:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2022-11-03 02:30:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-03 02:30:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-03 02:30:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2022-11-03 02:30:43,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2022-11-03 02:30:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 02:30:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 02:30:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:30:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2022-11-03 02:30:43,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2022-11-03 02:30:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:30:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:30:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2022-11-03 02:30:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2022-11-03 02:30:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:30:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-03 02:30:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-03 02:30:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:30:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:30:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-03 02:30:43,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-03 02:30:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-03 02:30:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-03 02:30:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 02:30:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 02:30:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2022-11-03 02:30:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2022-11-03 02:30:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_irq [2022-11-03 02:30:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_irq [2022-11-03 02:30:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-03 02:30:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-03 02:30:43,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-03 02:30:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-03 02:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2022-11-03 02:30:43,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2022-11-03 02:30:43,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:30:43,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:30:44,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:30:44,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:30:44,602 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:30:45,898 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-03 02:30:47,769 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:30:48,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:30:48,489 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:30:48,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:30:48 BoogieIcfgContainer [2022-11-03 02:30:48,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:30:48,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:30:48,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:30:48,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:30:48,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:30:40" (1/3) ... [2022-11-03 02:30:48,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a127e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:30:48, skipping insertion in model container [2022-11-03 02:30:48,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:30:42" (2/3) ... [2022-11-03 02:30:48,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a127e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:30:48, skipping insertion in model container [2022-11-03 02:30:48,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:30:48" (3/3) ... [2022-11-03 02:30:48,508 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--misc--ims-pcu.ko-entry_point.cil.out.i [2022-11-03 02:30:48,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:30:48,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:30:48,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:30:48,659 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;@4be65593, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:30:48,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:30:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 944 states, 589 states have (on average 1.366723259762309) internal successors, (805), 622 states have internal predecessors, (805), 283 states have call successors, (283), 72 states have call predecessors, (283), 70 states have return successors, (268), 267 states have call predecessors, (268), 268 states have call successors, (268) [2022-11-03 02:30:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-03 02:30:48,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:48,701 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:48,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:48,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2122519472, now seen corresponding path program 1 times [2022-11-03 02:30:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:48,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127280786] [2022-11-03 02:30:48,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:48,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-11-03 02:30:49,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:49,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127280786] [2022-11-03 02:30:49,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127280786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:49,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:49,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:49,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469198845] [2022-11-03 02:30:49,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:49,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:49,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:49,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:49,844 INFO L87 Difference]: Start difference. First operand has 944 states, 589 states have (on average 1.366723259762309) internal successors, (805), 622 states have internal predecessors, (805), 283 states have call successors, (283), 72 states have call predecessors, (283), 70 states have return successors, (268), 267 states have call predecessors, (268), 268 states have call successors, (268) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 02:30:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:52,210 INFO L93 Difference]: Finished difference Result 2686 states and 3851 transitions. [2022-11-03 02:30:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:52,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 168 [2022-11-03 02:30:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:52,249 INFO L225 Difference]: With dead ends: 2686 [2022-11-03 02:30:52,250 INFO L226 Difference]: Without dead ends: 1757 [2022-11-03 02:30:52,260 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 [2022-11-03 02:30:52,264 INFO L413 NwaCegarLoop]: 1437 mSDtfsCounter, 1202 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:52,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 2634 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:30:52,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-11-03 02:30:52,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-11-03 02:30:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1125 states have (on average 1.3466666666666667) internal successors, (1515), 1153 states have internal predecessors, (1515), 493 states have call successors, (493), 139 states have call predecessors, (493), 138 states have return successors, (488), 486 states have call predecessors, (488), 488 states have call successors, (488) [2022-11-03 02:30:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2496 transitions. [2022-11-03 02:30:52,455 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2496 transitions. Word has length 168 [2022-11-03 02:30:52,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:52,456 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2496 transitions. [2022-11-03 02:30:52,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 02:30:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2496 transitions. [2022-11-03 02:30:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-03 02:30:52,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:52,463 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:52,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:30:52,463 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:52,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:52,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2070058952, now seen corresponding path program 1 times [2022-11-03 02:30:52,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:52,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002512652] [2022-11-03 02:30:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-11-03 02:30:53,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:53,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002512652] [2022-11-03 02:30:53,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002512652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:53,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:53,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:53,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404317065] [2022-11-03 02:30:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:53,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:53,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:53,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:53,328 INFO L87 Difference]: Start difference. First operand 1757 states and 2496 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:30:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:56,159 INFO L93 Difference]: Finished difference Result 3411 states and 4839 transitions. [2022-11-03 02:30:56,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:56,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2022-11-03 02:30:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:56,182 INFO L225 Difference]: With dead ends: 3411 [2022-11-03 02:30:56,182 INFO L226 Difference]: Without dead ends: 3408 [2022-11-03 02:30:56,185 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 [2022-11-03 02:30:56,186 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 1201 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:56,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 2627 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:30:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2022-11-03 02:30:56,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3396. [2022-11-03 02:30:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 2183 states have (on average 1.3518094365551994) internal successors, (2951), 2237 states have internal predecessors, (2951), 938 states have call successors, (938), 277 states have call predecessors, (938), 274 states have return successors, (933), 925 states have call predecessors, (933), 933 states have call successors, (933) [2022-11-03 02:30:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 4822 transitions. [2022-11-03 02:30:56,387 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 4822 transitions. Word has length 177 [2022-11-03 02:30:56,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:56,390 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 4822 transitions. [2022-11-03 02:30:56,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:30:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 4822 transitions. [2022-11-03 02:30:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-03 02:30:56,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:56,402 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:56,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:30:56,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:56,412 INFO L85 PathProgramCache]: Analyzing trace with hash -253250822, now seen corresponding path program 1 times [2022-11-03 02:30:56,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:56,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227540542] [2022-11-03 02:30:56,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:56,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-11-03 02:30:57,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:57,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227540542] [2022-11-03 02:30:57,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227540542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:57,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:57,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240586873] [2022-11-03 02:30:57,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:57,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:57,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:57,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:57,086 INFO L87 Difference]: Start difference. First operand 3396 states and 4822 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:30:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:58,193 INFO L93 Difference]: Finished difference Result 3398 states and 4823 transitions. [2022-11-03 02:30:58,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:58,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2022-11-03 02:30:58,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:58,219 INFO L225 Difference]: With dead ends: 3398 [2022-11-03 02:30:58,219 INFO L226 Difference]: Without dead ends: 3395 [2022-11-03 02:30:58,222 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 [2022-11-03 02:30:58,228 INFO L413 NwaCegarLoop]: 1171 mSDtfsCounter, 1242 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:58,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 1171 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 02:30:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-11-03 02:30:58,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-11-03 02:30:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2183 states have (on average 1.3513513513513513) internal successors, (2950), 2236 states have internal predecessors, (2950), 937 states have call successors, (937), 277 states have call predecessors, (937), 274 states have return successors, (933), 925 states have call predecessors, (933), 933 states have call successors, (933) [2022-11-03 02:30:58,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 4820 transitions. [2022-11-03 02:30:58,492 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 4820 transitions. Word has length 178 [2022-11-03 02:30:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:58,493 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 4820 transitions. [2022-11-03 02:30:58,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:30:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 4820 transitions. [2022-11-03 02:30:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-03 02:30:58,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:58,498 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:58,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:30:58,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:30:58,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:58,500 INFO L85 PathProgramCache]: Analyzing trace with hash 738595083, now seen corresponding path program 1 times [2022-11-03 02:30:58,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:58,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731285944] [2022-11-03 02:30:58,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:58,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-11-03 02:30:58,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:58,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731285944] [2022-11-03 02:30:58,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731285944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:58,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:58,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:58,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873523406] [2022-11-03 02:30:58,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:58,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:58,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:58,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:58,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:58,800 INFO L87 Difference]: Start difference. First operand 3395 states and 4820 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:00,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:00,132 INFO L93 Difference]: Finished difference Result 3397 states and 4821 transitions. [2022-11-03 02:31:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:00,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2022-11-03 02:31:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:00,157 INFO L225 Difference]: With dead ends: 3397 [2022-11-03 02:31:00,157 INFO L226 Difference]: Without dead ends: 3394 [2022-11-03 02:31:00,161 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 [2022-11-03 02:31:00,166 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 1239 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:00,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 1169 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:31:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-11-03 02:31:00,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-11-03 02:31:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 2183 states have (on average 1.3508932661475035) internal successors, (2949), 2235 states have internal predecessors, (2949), 936 states have call successors, (936), 277 states have call predecessors, (936), 274 states have return successors, (933), 925 states have call predecessors, (933), 933 states have call successors, (933) [2022-11-03 02:31:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 4818 transitions. [2022-11-03 02:31:00,480 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 4818 transitions. Word has length 179 [2022-11-03 02:31:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:00,481 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 4818 transitions. [2022-11-03 02:31:00,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 4818 transitions. [2022-11-03 02:31:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-03 02:31:00,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:00,485 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:00,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:31:00,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:00,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1421051933, now seen corresponding path program 1 times [2022-11-03 02:31:00,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:00,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577855936] [2022-11-03 02:31:00,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:00,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-11-03 02:31:00,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:00,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577855936] [2022-11-03 02:31:00,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577855936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:00,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:00,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:00,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844576646] [2022-11-03 02:31:00,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:00,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:00,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:00,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:00,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:00,776 INFO L87 Difference]: Start difference. First operand 3394 states and 4818 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:02,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:02,860 INFO L93 Difference]: Finished difference Result 3396 states and 4819 transitions. [2022-11-03 02:31:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:02,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2022-11-03 02:31:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:02,879 INFO L225 Difference]: With dead ends: 3396 [2022-11-03 02:31:02,879 INFO L226 Difference]: Without dead ends: 3393 [2022-11-03 02:31:02,881 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 [2022-11-03 02:31:02,882 INFO L413 NwaCegarLoop]: 1167 mSDtfsCounter, 1236 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:02,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 1167 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 02:31:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2022-11-03 02:31:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2022-11-03 02:31:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2183 states have (on average 1.3504351809436554) internal successors, (2948), 2234 states have internal predecessors, (2948), 935 states have call successors, (935), 277 states have call predecessors, (935), 274 states have return successors, (933), 925 states have call predecessors, (933), 933 states have call successors, (933) [2022-11-03 02:31:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4816 transitions. [2022-11-03 02:31:03,132 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4816 transitions. Word has length 180 [2022-11-03 02:31:03,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:03,132 INFO L495 AbstractCegarLoop]: Abstraction has 3393 states and 4816 transitions. [2022-11-03 02:31:03,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4816 transitions. [2022-11-03 02:31:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-03 02:31:03,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:03,137 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:03,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:31:03,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:03,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1102382670, now seen corresponding path program 1 times [2022-11-03 02:31:03,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:03,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797602053] [2022-11-03 02:31:03,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-11-03 02:31:03,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797602053] [2022-11-03 02:31:03,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797602053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:03,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:03,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747115650] [2022-11-03 02:31:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:03,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:03,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:03,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:03,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:03,379 INFO L87 Difference]: Start difference. First operand 3393 states and 4816 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:04,871 INFO L93 Difference]: Finished difference Result 3395 states and 4817 transitions. [2022-11-03 02:31:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:04,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 181 [2022-11-03 02:31:04,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:04,891 INFO L225 Difference]: With dead ends: 3395 [2022-11-03 02:31:04,891 INFO L226 Difference]: Without dead ends: 3386 [2022-11-03 02:31:04,894 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 [2022-11-03 02:31:04,895 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 1233 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:04,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 1166 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:31:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2022-11-03 02:31:05,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2022-11-03 02:31:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 2177 states have (on average 1.3495636196600826) internal successors, (2938), 2227 states have internal predecessors, (2938), 934 states have call successors, (934), 277 states have call predecessors, (934), 274 states have return successors, (933), 925 states have call predecessors, (933), 933 states have call successors, (933) [2022-11-03 02:31:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4805 transitions. [2022-11-03 02:31:05,143 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4805 transitions. Word has length 181 [2022-11-03 02:31:05,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:05,147 INFO L495 AbstractCegarLoop]: Abstraction has 3386 states and 4805 transitions. [2022-11-03 02:31:05,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 02:31:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4805 transitions. [2022-11-03 02:31:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-03 02:31:05,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:05,156 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:05,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:31:05,157 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:05,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:05,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1394860541, now seen corresponding path program 1 times [2022-11-03 02:31:05,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:05,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977908551] [2022-11-03 02:31:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:05,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-11-03 02:31:05,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:05,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977908551] [2022-11-03 02:31:05,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977908551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:05,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:05,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:05,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522591496] [2022-11-03 02:31:05,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:05,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:05,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:05,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:05,519 INFO L87 Difference]: Start difference. First operand 3386 states and 4805 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-03 02:31:08,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:08,895 INFO L93 Difference]: Finished difference Result 8150 states and 11579 transitions. [2022-11-03 02:31:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:08,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 272 [2022-11-03 02:31:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:08,926 INFO L225 Difference]: With dead ends: 8150 [2022-11-03 02:31:08,926 INFO L226 Difference]: Without dead ends: 4815 [2022-11-03 02:31:08,942 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 [2022-11-03 02:31:08,943 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 584 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:08,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2344 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:31:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2022-11-03 02:31:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 4808. [2022-11-03 02:31:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4808 states, 3192 states have (on average 1.3643483709273183) internal successors, (4355), 3242 states have internal predecessors, (4355), 1243 states have call successors, (1243), 375 states have call predecessors, (1243), 372 states have return successors, (1242), 1234 states have call predecessors, (1242), 1242 states have call successors, (1242) [2022-11-03 02:31:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4808 states to 4808 states and 6840 transitions. [2022-11-03 02:31:09,423 INFO L78 Accepts]: Start accepts. Automaton has 4808 states and 6840 transitions. Word has length 272 [2022-11-03 02:31:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:09,423 INFO L495 AbstractCegarLoop]: Abstraction has 4808 states and 6840 transitions. [2022-11-03 02:31:09,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-03 02:31:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 6840 transitions. [2022-11-03 02:31:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-03 02:31:09,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:09,438 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:09,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:31:09,439 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:09,440 INFO L85 PathProgramCache]: Analyzing trace with hash -24198123, now seen corresponding path program 1 times [2022-11-03 02:31:09,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399419106] [2022-11-03 02:31:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2022-11-03 02:31:09,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:09,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399419106] [2022-11-03 02:31:09,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399419106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:09,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:09,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:09,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503236913] [2022-11-03 02:31:09,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:09,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:09,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:09,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:09,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:09,741 INFO L87 Difference]: Start difference. First operand 4808 states and 6840 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:31:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:11,432 INFO L93 Difference]: Finished difference Result 7590 states and 10796 transitions. [2022-11-03 02:31:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 295 [2022-11-03 02:31:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:11,447 INFO L225 Difference]: With dead ends: 7590 [2022-11-03 02:31:11,447 INFO L226 Difference]: Without dead ends: 2840 [2022-11-03 02:31:11,461 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 [2022-11-03 02:31:11,462 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 5 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:11,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2323 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:31:11,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2022-11-03 02:31:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2835. [2022-11-03 02:31:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 1892 states have (on average 1.3636363636363635) internal successors, (2580), 1917 states have internal predecessors, (2580), 727 states have call successors, (727), 217 states have call predecessors, (727), 215 states have return successors, (726), 722 states have call predecessors, (726), 726 states have call successors, (726) [2022-11-03 02:31:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 4033 transitions. [2022-11-03 02:31:11,634 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 4033 transitions. Word has length 295 [2022-11-03 02:31:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:11,635 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 4033 transitions. [2022-11-03 02:31:11,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:31:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 4033 transitions. [2022-11-03 02:31:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-11-03 02:31:11,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:11,649 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:11,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:31:11,649 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash -801896948, now seen corresponding path program 1 times [2022-11-03 02:31:11,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:11,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6135541] [2022-11-03 02:31:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2723 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2022-11-03 02:31:12,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:12,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6135541] [2022-11-03 02:31:12,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6135541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:12,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:12,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135599052] [2022-11-03 02:31:12,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:12,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:31:12,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:31:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:31:12,095 INFO L87 Difference]: Start difference. First operand 2835 states and 4033 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-03 02:31:15,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:15,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:15,978 INFO L93 Difference]: Finished difference Result 6713 states and 9826 transitions. [2022-11-03 02:31:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:31:15,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 358 [2022-11-03 02:31:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:15,999 INFO L225 Difference]: With dead ends: 6713 [2022-11-03 02:31:16,000 INFO L226 Difference]: Without dead ends: 4291 [2022-11-03 02:31:16,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:16,011 INFO L413 NwaCegarLoop]: 1535 mSDtfsCounter, 745 mSDsluCounter, 2978 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 4211 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:16,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 4211 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:31:16,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4291 states. [2022-11-03 02:31:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4291 to 2839. [2022-11-03 02:31:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 1896 states have (on average 1.3628691983122363) internal successors, (2584), 1921 states have internal predecessors, (2584), 727 states have call successors, (727), 217 states have call predecessors, (727), 215 states have return successors, (726), 722 states have call predecessors, (726), 726 states have call successors, (726) [2022-11-03 02:31:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 4037 transitions. [2022-11-03 02:31:16,241 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 4037 transitions. Word has length 358 [2022-11-03 02:31:16,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:16,242 INFO L495 AbstractCegarLoop]: Abstraction has 2839 states and 4037 transitions. [2022-11-03 02:31:16,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-03 02:31:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 4037 transitions. [2022-11-03 02:31:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-03 02:31:16,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:16,257 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:16,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:31:16,257 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:16,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:16,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1851647433, now seen corresponding path program 1 times [2022-11-03 02:31:16,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:16,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235206591] [2022-11-03 02:31:16,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2022-11-03 02:31:17,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:17,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235206591] [2022-11-03 02:31:17,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235206591] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:31:17,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085856516] [2022-11-03 02:31:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:17,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:31:17,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:31:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:19,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 4340 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:31:19,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:31:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 2729 trivial. 0 not checked. [2022-11-03 02:31:19,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:31:19,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085856516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:19,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:31:19,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-03 02:31:19,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628491480] [2022-11-03 02:31:19,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:19,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:31:19,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:19,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:31:19,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:19,471 INFO L87 Difference]: Start difference. First operand 2839 states and 4037 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-03 02:31:22,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:24,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:24,896 INFO L93 Difference]: Finished difference Result 5273 states and 7500 transitions. [2022-11-03 02:31:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:31:24,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) Word has length 402 [2022-11-03 02:31:24,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:24,913 INFO L225 Difference]: With dead ends: 5273 [2022-11-03 02:31:24,913 INFO L226 Difference]: Without dead ends: 2843 [2022-11-03 02:31:24,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:24,925 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 0 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4634 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:24,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4634 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-03 02:31:24,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-11-03 02:31:25,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2843. [2022-11-03 02:31:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2843 states, 1898 states have (on average 1.362486828240253) internal successors, (2586), 1925 states have internal predecessors, (2586), 727 states have call successors, (727), 217 states have call predecessors, (727), 217 states have return successors, (734), 722 states have call predecessors, (734), 726 states have call successors, (734) [2022-11-03 02:31:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 4047 transitions. [2022-11-03 02:31:25,149 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 4047 transitions. Word has length 402 [2022-11-03 02:31:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:25,150 INFO L495 AbstractCegarLoop]: Abstraction has 2843 states and 4047 transitions. [2022-11-03 02:31:25,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) [2022-11-03 02:31:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 4047 transitions. [2022-11-03 02:31:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-03 02:31:25,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:25,162 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:31:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:31:25,378 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:25,379 INFO L85 PathProgramCache]: Analyzing trace with hash -988512037, now seen corresponding path program 1 times [2022-11-03 02:31:25,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:25,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382828642] [2022-11-03 02:31:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:25,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2022-11-03 02:31:28,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:28,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382828642] [2022-11-03 02:31:28,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382828642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:31:28,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111282077] [2022-11-03 02:31:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:28,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:28,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:31:28,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305f3d46-a81c-4ea2-a859-0453e3451c36/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:31:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:29,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 4365 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-03 02:31:29,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:31:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 86 proven. 42 refuted. 0 times theorem prover too weak. 2643 trivial. 0 not checked. [2022-11-03 02:31:29,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:31:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2022-11-03 02:31:30,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111282077] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:31:30,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [293135063] [2022-11-03 02:31:30,477 INFO L159 IcfgInterpreter]: Started Sifa with 207 locations of interest [2022-11-03 02:31:30,477 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:31:30,481 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:31:30,487 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:31:30,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:31:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:38,301 INFO L244 Elim1Store]: Index analysis took 315 ms [2022-11-03 02:31:55,206 WARN L234 SmtUtils]: Spent 16.85s on a formula simplification. DAG size of input: 1371 DAG size of output: 913 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:31:55,211 INFO L356 Elim1Store]: treesize reduction 1524, result has 47.2 percent of original size [2022-11-03 02:31:55,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 153 select indices, 153 select index equivalence classes, 11630 disjoint index pairs (out of 11628 index pairs), introduced 153 new quantified variables, introduced 152 case distinctions, treesize of input 772 treesize of output 1834 [2022-11-03 02:31:58,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:31:58,644 INFO L244 Elim1Store]: Index analysis took 894 ms [2022-11-03 02:32:21,277 WARN L234 SmtUtils]: Spent 22.59s on a formula simplification. DAG size of input: 1677 DAG size of output: 915 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:32:21,280 INFO L356 Elim1Store]: treesize reduction 2736, result has 33.3 percent of original size [2022-11-03 02:32:21,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 155 select indices, 155 select index equivalence classes, 11783 disjoint index pairs (out of 11935 index pairs), introduced 155 new quantified variables, introduced 304 case distinctions, treesize of input 782 treesize of output 1849 [2022-11-03 02:32:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 155 select indices, 155 select index equivalence classes, 11935 disjoint index pairs (out of 11935 index pairs), introduced 155 new quantified variables, introduced 0 case distinctions, treesize of input 776 treesize of output 466 [2022-11-03 02:32:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:36,790 INFO L244 Elim1Store]: Index analysis took 420 ms [2022-11-03 02:32:36,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 237 select indices, 237 select index equivalence classes, 2008 disjoint index pairs (out of 27966 index pairs), introduced 237 new quantified variables, introduced 0 case distinctions, treesize of input 2088 treesize of output 712 [2022-11-03 02:32:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:37,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 154 select indices, 154 select index equivalence classes, 11782 disjoint index pairs (out of 11781 index pairs), introduced 154 new quantified variables, introduced 0 case distinctions, treesize of input 771 treesize of output 463 [2022-11-03 02:32:47,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:47,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 155 select indices, 155 select index equivalence classes, 11935 disjoint index pairs (out of 11935 index pairs), introduced 155 new quantified variables, introduced 0 case distinctions, treesize of input 776 treesize of output 466 [2022-11-03 02:32:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:48,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 154 select indices, 154 select index equivalence classes, 11782 disjoint index pairs (out of 11781 index pairs), introduced 154 new quantified variables, introduced 0 case distinctions, treesize of input 771 treesize of output 463 [2022-11-03 02:32:49,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:49,373 INFO L244 Elim1Store]: Index analysis took 334 ms [2022-11-03 02:32:49,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 237 select indices, 237 select index equivalence classes, 2008 disjoint index pairs (out of 27966 index pairs), introduced 237 new quantified variables, introduced 0 case distinctions, treesize of input 2088 treesize of output 712 [2022-11-03 02:36:21,174 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 436 for LOIs [2022-11-03 02:36:21,955 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1166 for LOIs [2022-11-03 02:36:23,009 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:39:07,793 WARN L234 SmtUtils]: Spent 2.73m on a formula simplification. DAG size of input: 2510 DAG size of output: 2206 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:39:47,004 WARN L234 SmtUtils]: Spent 28.59s on a formula simplification. DAG size of input: 1170 DAG size of output: 1164 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:40:17,646 WARN L234 SmtUtils]: Spent 29.77s on a formula simplification. DAG size of input: 1174 DAG size of output: 1168 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:40:50,032 WARN L234 SmtUtils]: Spent 31.50s on a formula simplification. DAG size of input: 1182 DAG size of output: 1172 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:41:22,713 WARN L234 SmtUtils]: Spent 31.73s on a formula simplification. DAG size of input: 1192 DAG size of output: 1182 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:41:57,952 WARN L234 SmtUtils]: Spent 34.15s on a formula simplification. DAG size of input: 1203 DAG size of output: 1187 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:42:31,911 WARN L234 SmtUtils]: Spent 32.84s on a formula simplification. DAG size of input: 1207 DAG size of output: 1191 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:43:07,184 WARN L234 SmtUtils]: Spent 34.09s on a formula simplification. DAG size of input: 1215 DAG size of output: 1197 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:43:46,460 WARN L234 SmtUtils]: Spent 38.04s on a formula simplification. DAG size of input: 1219 DAG size of output: 1201 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)