./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh --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 32bit --witnessprinter.graph.data.programhash f0996d70f204c5713a65b04e25037e48d7532ec1ba0c10162e12c5c0d518b4e3 --- 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-2329fc7 [2022-12-14 05:26:07,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:26:07,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:26:07,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:26:07,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:26:07,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:26:07,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:26:07,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:26:07,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:26:07,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:26:07,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:26:07,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:26:07,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:26:07,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:26:07,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:26:07,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:26:07,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:26:07,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:26:07,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:26:07,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:26:07,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:26:07,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:26:07,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:26:07,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:26:07,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:26:07,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:26:07,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:26:07,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:26:07,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:26:07,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:26:07,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:26:07,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:26:07,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:26:07,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:26:07,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:26:07,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:26:07,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:26:07,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:26:07,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:26:07,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:26:07,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:26:07,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:26:07,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:26:07,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:26:07,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:26:07,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:26:07,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:26:07,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:26:07,767 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:26:07,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:26:07,767 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:26:07,768 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:26:07,768 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:26:07,769 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:26:07,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:26:07,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:26:07,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:26:07,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:26:07,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:26:07,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:26:07,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:26:07,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:26:07,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:26:07,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:26:07,772 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_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0996d70f204c5713a65b04e25037e48d7532ec1ba0c10162e12c5c0d518b4e3 [2022-12-14 05:26:07,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:26:07,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:26:07,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:26:07,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:26:07,996 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:26:07,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c [2022-12-14 05:26:10,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:26:11,076 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:26:11,076 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c [2022-12-14 05:26:11,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/data/207e06a0e/55ba77eb325d43f7869cd71ea293ebf4/FLAGf2323d9f5 [2022-12-14 05:26:11,112 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/data/207e06a0e/55ba77eb325d43f7869cd71ea293ebf4 [2022-12-14 05:26:11,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:26:11,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:26:11,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:26:11,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:26:11,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:26:11,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:26:11" (1/1) ... [2022-12-14 05:26:11,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188c8aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:11, skipping insertion in model container [2022-12-14 05:26:11,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:26:11" (1/1) ... [2022-12-14 05:26:11,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:26:11,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:26:11,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c[84645,84658] [2022-12-14 05:26:11,735 WARN L623 FunctionHandler]: Unknown extern function swprintf [2022-12-14 05:26:11,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:26:11,847 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:26:11,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c[84645,84658] [2022-12-14 05:26:11,935 WARN L623 FunctionHandler]: Unknown extern function swprintf [2022-12-14 05:26:11,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:26:12,007 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:26:12,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12 WrapperNode [2022-12-14 05:26:12,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:26:12,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:26:12,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:26:12,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:26:12,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,157 INFO L138 Inliner]: procedures = 127, calls = 1459, calls flagged for inlining = 20, calls inlined = 18, statements flattened = 3749 [2022-12-14 05:26:12,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:26:12,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:26:12,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:26:12,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:26:12,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,313 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:26:12,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:26:12,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:26:12,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:26:12,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (1/1) ... [2022-12-14 05:26:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:26:12,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:26:12,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:26:12,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:26:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-12-14 05:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-12-14 05:26:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-12-14 05:26:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-12-14 05:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-12-14 05:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-12-14 05:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-12-14 05:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-12-14 05:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-12-14 05:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-12-14 05:26:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-12-14 05:26:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-12-14 05:26:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:26:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-12-14 05:26:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:26:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-12-14 05:26:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-12-14 05:26:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-12-14 05:26:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:26:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-12-14 05:26:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-12-14 05:26:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:26:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-12-14 05:26:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-12-14 05:26:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-12-14 05:26:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-12-14 05:26:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-12-14 05:26:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-12-14 05:26:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-12-14 05:26:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-12-14 05:26:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-12-14 05:26:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-12-14 05:26:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-12-14 05:26:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-12-14 05:26:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:26:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:26:12,889 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:26:12,892 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:26:13,034 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:26:13,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-12-14 05:26:13,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-12-14 05:26:13,155 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:26:13,169 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-12-14 05:26:13,169 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-12-14 05:26:13,485 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:26:13,508 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-12-14 05:26:13,508 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-12-14 05:26:13,620 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:26:13,622 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:26:13,628 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 05:27:00,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-12-14 05:27:00,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-12-14 05:27:00,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume !false; [2022-12-14 05:27:00,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##128: assume false; [2022-12-14 05:27:00,107 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2022-12-14 05:27:00,108 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2022-12-14 05:27:00,126 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:27:00,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:27:00,595 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 05:27:00,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:27:00 BoogieIcfgContainer [2022-12-14 05:27:00,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:27:00,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:27:00,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:27:00,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:27:00,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:26:11" (1/3) ... [2022-12-14 05:27:00,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abf2e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:27:00, skipping insertion in model container [2022-12-14 05:27:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:26:12" (2/3) ... [2022-12-14 05:27:00,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abf2e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:27:00, skipping insertion in model container [2022-12-14 05:27:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:27:00" (3/3) ... [2022-12-14 05:27:00,605 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-1.c [2022-12-14 05:27:00,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:27:00,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:27:00,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:27:00,662 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;@26e3266d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:27:00,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:27:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 293 states, 189 states have (on average 1.439153439153439) internal successors, (272), 207 states have internal predecessors, (272), 80 states have call successors, (80), 22 states have call predecessors, (80), 22 states have return successors, (80), 76 states have call predecessors, (80), 80 states have call successors, (80) [2022-12-14 05:27:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:27:00,672 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:00,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:00,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1633571947, now seen corresponding path program 1 times [2022-12-14 05:27:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:00,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301270295] [2022-12-14 05:27:00,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:27:02,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:02,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301270295] [2022-12-14 05:27:02,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301270295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:02,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:02,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:27:02,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581096818] [2022-12-14 05:27:02,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:02,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:27:02,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:02,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:27:02,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:27:02,296 INFO L87 Difference]: Start difference. First operand has 293 states, 189 states have (on average 1.439153439153439) internal successors, (272), 207 states have internal predecessors, (272), 80 states have call successors, (80), 22 states have call predecessors, (80), 22 states have return successors, (80), 76 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:04,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:07,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:09,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:27:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:09,184 INFO L93 Difference]: Finished difference Result 582 states and 884 transitions. [2022-12-14 05:27:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:27:09,186 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 05:27:09,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:09,193 INFO L225 Difference]: With dead ends: 582 [2022-12-14 05:27:09,193 INFO L226 Difference]: Without dead ends: 289 [2022-12-14 05:27:09,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:27:09,198 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:09,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 365 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 05:27:09,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-12-14 05:27:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-12-14 05:27:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 187 states have (on average 1.374331550802139) internal successors, (257), 203 states have internal predecessors, (257), 80 states have call successors, (80), 22 states have call predecessors, (80), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-12-14 05:27:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 403 transitions. [2022-12-14 05:27:09,239 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 403 transitions. Word has length 13 [2022-12-14 05:27:09,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:09,240 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 403 transitions. [2022-12-14 05:27:09,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2022-12-14 05:27:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 05:27:09,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:09,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:09,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:27:09,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:09,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:09,242 INFO L85 PathProgramCache]: Analyzing trace with hash 643305789, now seen corresponding path program 1 times [2022-12-14 05:27:09,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:09,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403628714] [2022-12-14 05:27:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:27:10,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:10,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403628714] [2022-12-14 05:27:10,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403628714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:10,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:10,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575279455] [2022-12-14 05:27:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:10,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:27:10,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:27:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:27:10,631 INFO L87 Difference]: Start difference. First operand 289 states and 403 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:12,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:15,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:17,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:27:17,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:17,414 INFO L93 Difference]: Finished difference Result 581 states and 810 transitions. [2022-12-14 05:27:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:27:17,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 05:27:17,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:17,418 INFO L225 Difference]: With dead ends: 581 [2022-12-14 05:27:17,418 INFO L226 Difference]: Without dead ends: 295 [2022-12-14 05:27:17,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:27:17,420 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 2 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:17,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1050 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 05:27:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-12-14 05:27:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293. [2022-12-14 05:27:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 191 states have (on average 1.3664921465968587) internal successors, (261), 207 states have internal predecessors, (261), 80 states have call successors, (80), 22 states have call predecessors, (80), 21 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2022-12-14 05:27:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 407 transitions. [2022-12-14 05:27:17,446 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 407 transitions. Word has length 15 [2022-12-14 05:27:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:17,447 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 407 transitions. [2022-12-14 05:27:17,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 407 transitions. [2022-12-14 05:27:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:27:17,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:17,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:17,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:27:17,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:17,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash 602845661, now seen corresponding path program 1 times [2022-12-14 05:27:17,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:17,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655371975] [2022-12-14 05:27:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:27:20,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:20,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655371975] [2022-12-14 05:27:20,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655371975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:20,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:20,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222890303] [2022-12-14 05:27:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:20,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:27:20,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:20,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:27:20,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:20,632 INFO L87 Difference]: Start difference. First operand 293 states and 407 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:22,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:25,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:26,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:26,114 INFO L93 Difference]: Finished difference Result 630 states and 879 transitions. [2022-12-14 05:27:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:27:26,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-14 05:27:26,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:26,118 INFO L225 Difference]: With dead ends: 630 [2022-12-14 05:27:26,118 INFO L226 Difference]: Without dead ends: 427 [2022-12-14 05:27:26,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:26,120 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 252 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:26,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 713 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 05:27:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-12-14 05:27:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 414. [2022-12-14 05:27:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 266 states have (on average 1.3345864661654134) internal successors, (355), 280 states have internal predecessors, (355), 113 states have call successors, (113), 36 states have call predecessors, (113), 34 states have return successors, (110), 101 states have call predecessors, (110), 102 states have call successors, (110) [2022-12-14 05:27:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 578 transitions. [2022-12-14 05:27:26,141 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 578 transitions. Word has length 19 [2022-12-14 05:27:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:26,142 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 578 transitions. [2022-12-14 05:27:26,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 578 transitions. [2022-12-14 05:27:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 05:27:26,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:26,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:26,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:27:26,143 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:26,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:26,143 INFO L85 PathProgramCache]: Analyzing trace with hash 331655242, now seen corresponding path program 1 times [2022-12-14 05:27:26,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:26,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969929833] [2022-12-14 05:27:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:27:27,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:27,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969929833] [2022-12-14 05:27:27,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969929833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:27,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:27,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:27,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988832931] [2022-12-14 05:27:27,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:27:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:27,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:27:27,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:27,659 INFO L87 Difference]: Start difference. First operand 414 states and 578 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:29,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:32,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:34,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:27:34,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:34,203 INFO L93 Difference]: Finished difference Result 434 states and 604 transitions. [2022-12-14 05:27:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:27:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-14 05:27:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:34,206 INFO L225 Difference]: With dead ends: 434 [2022-12-14 05:27:34,206 INFO L226 Difference]: Without dead ends: 414 [2022-12-14 05:27:34,207 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 [2022-12-14 05:27:34,207 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 11 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:34,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 656 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 05:27:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-12-14 05:27:34,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-12-14 05:27:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 266 states have (on average 1.330827067669173) internal successors, (354), 280 states have internal predecessors, (354), 113 states have call successors, (113), 36 states have call predecessors, (113), 34 states have return successors, (110), 101 states have call predecessors, (110), 102 states have call successors, (110) [2022-12-14 05:27:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 577 transitions. [2022-12-14 05:27:34,225 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 577 transitions. Word has length 21 [2022-12-14 05:27:34,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:34,225 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 577 transitions. [2022-12-14 05:27:34,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 577 transitions. [2022-12-14 05:27:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 05:27:34,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:34,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:34,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:27:34,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash -433744576, now seen corresponding path program 1 times [2022-12-14 05:27:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:34,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125482426] [2022-12-14 05:27:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:34,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:27:36,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:36,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125482426] [2022-12-14 05:27:36,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125482426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:36,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:36,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:36,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269752215] [2022-12-14 05:27:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:27:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:36,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:27:36,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:36,057 INFO L87 Difference]: Start difference. First operand 414 states and 577 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:38,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:40,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:43,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:45,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:27:47,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:47,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:47,518 INFO L93 Difference]: Finished difference Result 459 states and 635 transitions. [2022-12-14 05:27:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:27:47,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-14 05:27:47,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:47,522 INFO L225 Difference]: With dead ends: 459 [2022-12-14 05:27:47,523 INFO L226 Difference]: Without dead ends: 455 [2022-12-14 05:27:47,523 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 [2022-12-14 05:27:47,524 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 62 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:47,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 658 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 05:27:47,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-12-14 05:27:47,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 436. [2022-12-14 05:27:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.3380281690140845) internal successors, (380), 296 states have internal predecessors, (380), 115 states have call successors, (115), 39 states have call predecessors, (115), 36 states have return successors, (114), 103 states have call predecessors, (114), 104 states have call successors, (114) [2022-12-14 05:27:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 609 transitions. [2022-12-14 05:27:47,547 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 609 transitions. Word has length 26 [2022-12-14 05:27:47,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:47,548 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 609 transitions. [2022-12-14 05:27:47,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 609 transitions. [2022-12-14 05:27:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 05:27:47,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:47,550 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:27:47,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:27:47,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:47,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1826704402, now seen corresponding path program 1 times [2022-12-14 05:27:47,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:47,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575946479] [2022-12-14 05:27:47,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:27:49,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:49,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575946479] [2022-12-14 05:27:49,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575946479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:49,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:49,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:49,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491057433] [2022-12-14 05:27:49,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:49,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:27:49,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:27:49,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:49,858 INFO L87 Difference]: Start difference. First operand 436 states and 609 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:51,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:54,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:27:55,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:57,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:27:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:57,803 INFO L93 Difference]: Finished difference Result 1014 states and 1433 transitions. [2022-12-14 05:27:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:27:57,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-14 05:27:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:57,807 INFO L225 Difference]: With dead ends: 1014 [2022-12-14 05:27:57,807 INFO L226 Difference]: Without dead ends: 680 [2022-12-14 05:27:57,808 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 [2022-12-14 05:27:57,809 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 323 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:57,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 646 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 05:27:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-12-14 05:27:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 649. [2022-12-14 05:27:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 416 states have (on average 1.3197115384615385) internal successors, (549), 426 states have internal predecessors, (549), 176 states have call successors, (176), 58 states have call predecessors, (176), 56 states have return successors, (193), 169 states have call predecessors, (193), 167 states have call successors, (193) [2022-12-14 05:27:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 918 transitions. [2022-12-14 05:27:57,831 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 918 transitions. Word has length 27 [2022-12-14 05:27:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:57,832 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 918 transitions. [2022-12-14 05:27:57,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:27:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 918 transitions. [2022-12-14 05:27:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 05:27:57,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:57,833 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:27:57,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:27:57,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:27:57,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:57,833 INFO L85 PathProgramCache]: Analyzing trace with hash -591651960, now seen corresponding path program 1 times [2022-12-14 05:27:57,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:57,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263308577] [2022-12-14 05:27:57,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:57,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:28:00,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:00,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263308577] [2022-12-14 05:28:00,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263308577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:00,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:00,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:28:00,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618290780] [2022-12-14 05:28:00,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:00,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:28:00,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:00,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:28:00,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:00,356 INFO L87 Difference]: Start difference. First operand 649 states and 918 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:02,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:04,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:06,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:08,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:10,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:12,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:14,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:16,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:16,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:16,860 INFO L93 Difference]: Finished difference Result 686 states and 963 transitions. [2022-12-14 05:28:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:28:16,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-12-14 05:28:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:16,863 INFO L225 Difference]: With dead ends: 686 [2022-12-14 05:28:16,863 INFO L226 Difference]: Without dead ends: 675 [2022-12-14 05:28:16,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:28:16,864 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 443 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 28 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:16,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 638 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 460 Invalid, 5 Unknown, 0 Unchecked, 16.4s Time] [2022-12-14 05:28:16,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-12-14 05:28:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 663. [2022-12-14 05:28:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 430 states have (on average 1.3186046511627907) internal successors, (567), 440 states have internal predecessors, (567), 176 states have call successors, (176), 58 states have call predecessors, (176), 56 states have return successors, (193), 169 states have call predecessors, (193), 167 states have call successors, (193) [2022-12-14 05:28:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 936 transitions. [2022-12-14 05:28:16,888 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 936 transitions. Word has length 30 [2022-12-14 05:28:16,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:16,888 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 936 transitions. [2022-12-14 05:28:16,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 936 transitions. [2022-12-14 05:28:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 05:28:16,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:16,889 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:28:16,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:28:16,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:16,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:16,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1597482081, now seen corresponding path program 1 times [2022-12-14 05:28:16,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:16,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853139176] [2022-12-14 05:28:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:16,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:28:19,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:19,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853139176] [2022-12-14 05:28:19,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853139176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:19,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:19,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:28:19,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722099818] [2022-12-14 05:28:19,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:19,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:28:19,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:19,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:28:19,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:28:19,397 INFO L87 Difference]: Start difference. First operand 663 states and 936 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:21,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:23,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:25,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:27,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:29,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:30,495 INFO L93 Difference]: Finished difference Result 681 states and 951 transitions. [2022-12-14 05:28:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:28:30,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-12-14 05:28:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:30,499 INFO L225 Difference]: With dead ends: 681 [2022-12-14 05:28:30,499 INFO L226 Difference]: Without dead ends: 673 [2022-12-14 05:28:30,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:28:30,500 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 424 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 23 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:30,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 644 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 453 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2022-12-14 05:28:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-12-14 05:28:30,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 665. [2022-12-14 05:28:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 431 states have (on average 1.3155452436194897) internal successors, (567), 442 states have internal predecessors, (567), 176 states have call successors, (176), 58 states have call predecessors, (176), 57 states have return successors, (194), 169 states have call predecessors, (194), 167 states have call successors, (194) [2022-12-14 05:28:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 937 transitions. [2022-12-14 05:28:30,546 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 937 transitions. Word has length 31 [2022-12-14 05:28:30,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:30,546 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 937 transitions. [2022-12-14 05:28:30,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 937 transitions. [2022-12-14 05:28:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 05:28:30,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:30,548 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:28:30,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:28:30,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1750526879, now seen corresponding path program 1 times [2022-12-14 05:28:30,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:30,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425003735] [2022-12-14 05:28:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:28:32,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:32,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425003735] [2022-12-14 05:28:32,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425003735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:32,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:32,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:28:32,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546186339] [2022-12-14 05:28:32,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:32,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:32,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:32,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:32,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:32,190 INFO L87 Difference]: Start difference. First operand 665 states and 937 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:34,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:36,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:38,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:40,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:40,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:40,405 INFO L93 Difference]: Finished difference Result 1214 states and 1723 transitions. [2022-12-14 05:28:40,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:40,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-12-14 05:28:40,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:40,412 INFO L225 Difference]: With dead ends: 1214 [2022-12-14 05:28:40,412 INFO L226 Difference]: Without dead ends: 1185 [2022-12-14 05:28:40,413 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 [2022-12-14 05:28:40,413 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 356 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:40,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 688 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 05:28:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-12-14 05:28:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1177. [2022-12-14 05:28:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 754 states have (on average 1.3169761273209548) internal successors, (993), 767 states have internal predecessors, (993), 314 states have call successors, (314), 109 states have call predecessors, (314), 108 states have return successors, (366), 310 states have call predecessors, (366), 305 states have call successors, (366) [2022-12-14 05:28:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1673 transitions. [2022-12-14 05:28:40,477 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1673 transitions. Word has length 32 [2022-12-14 05:28:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:40,478 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1673 transitions. [2022-12-14 05:28:40,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:40,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1673 transitions. [2022-12-14 05:28:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 05:28:40,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:40,479 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:28:40,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:28:40,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:40,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:40,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1559799417, now seen corresponding path program 1 times [2022-12-14 05:28:40,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:40,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175126695] [2022-12-14 05:28:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:40,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:28:42,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:42,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175126695] [2022-12-14 05:28:42,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175126695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:42,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:42,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:28:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16142482] [2022-12-14 05:28:42,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:42,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:28:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:42,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:28:42,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:28:42,575 INFO L87 Difference]: Start difference. First operand 1177 states and 1673 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:44,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:46,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:51,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:51,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:51,198 INFO L93 Difference]: Finished difference Result 1191 states and 1686 transitions. [2022-12-14 05:28:51,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:28:51,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-12-14 05:28:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:51,203 INFO L225 Difference]: With dead ends: 1191 [2022-12-14 05:28:51,203 INFO L226 Difference]: Without dead ends: 1175 [2022-12-14 05:28:51,204 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 [2022-12-14 05:28:51,204 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 0 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:51,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:28:51,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-12-14 05:28:51,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1175. [2022-12-14 05:28:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 753 states have (on average 1.3160690571049136) internal successors, (991), 766 states have internal predecessors, (991), 313 states have call successors, (313), 109 states have call predecessors, (313), 108 states have return successors, (365), 309 states have call predecessors, (365), 304 states have call successors, (365) [2022-12-14 05:28:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1669 transitions. [2022-12-14 05:28:51,251 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1669 transitions. Word has length 33 [2022-12-14 05:28:51,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:51,251 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1669 transitions. [2022-12-14 05:28:51,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:28:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1669 transitions. [2022-12-14 05:28:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 05:28:51,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:51,252 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:28:51,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:28:51,252 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:28:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -383561577, now seen corresponding path program 1 times [2022-12-14 05:28:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706234677] [2022-12-14 05:28:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:28:53,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:53,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706234677] [2022-12-14 05:28:53,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706234677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:28:53,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:28:53,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:28:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122710252] [2022-12-14 05:28:53,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:28:53,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:28:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:28:53,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:28:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:28:53,144 INFO L87 Difference]: Start difference. First operand 1175 states and 1669 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:28:55,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:28:57,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:28:59,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:29:01,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:01,790 INFO L93 Difference]: Finished difference Result 1214 states and 1709 transitions. [2022-12-14 05:29:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:29:01,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 05:29:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:01,795 INFO L225 Difference]: With dead ends: 1214 [2022-12-14 05:29:01,795 INFO L226 Difference]: Without dead ends: 1188 [2022-12-14 05:29:01,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:29:01,796 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 368 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:01,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 488 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 260 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:29:01,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-12-14 05:29:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1175. [2022-12-14 05:29:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 753 states have (on average 1.3134130146082337) internal successors, (989), 766 states have internal predecessors, (989), 313 states have call successors, (313), 109 states have call predecessors, (313), 108 states have return successors, (365), 309 states have call predecessors, (365), 304 states have call successors, (365) [2022-12-14 05:29:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1667 transitions. [2022-12-14 05:29:01,855 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1667 transitions. Word has length 33 [2022-12-14 05:29:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:01,855 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1667 transitions. [2022-12-14 05:29:01,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:29:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1667 transitions. [2022-12-14 05:29:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 05:29:01,856 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:01,856 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:29:01,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:29:01,856 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:01,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:01,857 INFO L85 PathProgramCache]: Analyzing trace with hash 594789594, now seen corresponding path program 1 times [2022-12-14 05:29:01,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:01,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269334299] [2022-12-14 05:29:01,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:01,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:29:03,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:29:03,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269334299] [2022-12-14 05:29:03,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269334299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:03,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:03,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:29:03,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653373043] [2022-12-14 05:29:03,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:03,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:03,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:29:03,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:03,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:03,662 INFO L87 Difference]: Start difference. First operand 1175 states and 1667 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:05,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:10,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:12,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:14,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:14,399 INFO L93 Difference]: Finished difference Result 1752 states and 2580 transitions. [2022-12-14 05:29:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:14,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-12-14 05:29:14,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:14,405 INFO L225 Difference]: With dead ends: 1752 [2022-12-14 05:29:14,405 INFO L226 Difference]: Without dead ends: 1744 [2022-12-14 05:29:14,406 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 [2022-12-14 05:29:14,406 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 240 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:14,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 701 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 05:29:14,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2022-12-14 05:29:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1280. [2022-12-14 05:29:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 819 states have (on average 1.3199023199023199) internal successors, (1081), 837 states have internal predecessors, (1081), 341 states have call successors, (341), 118 states have call predecessors, (341), 119 states have return successors, (412), 334 states have call predecessors, (412), 332 states have call successors, (412) [2022-12-14 05:29:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1834 transitions. [2022-12-14 05:29:14,471 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1834 transitions. Word has length 35 [2022-12-14 05:29:14,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:14,471 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1834 transitions. [2022-12-14 05:29:14,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1834 transitions. [2022-12-14 05:29:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 05:29:14,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:14,472 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:29:14,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:29:14,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1617752076, now seen corresponding path program 1 times [2022-12-14 05:29:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:14,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259537019] [2022-12-14 05:29:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:14,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:29:16,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:29:16,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259537019] [2022-12-14 05:29:16,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259537019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:16,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:16,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:29:16,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012902276] [2022-12-14 05:29:16,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:16,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:29:16,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:29:16,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:29:16,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:29:16,361 INFO L87 Difference]: Start difference. First operand 1280 states and 1834 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:29:18,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:20,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:29:22,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:29:24,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:25,471 INFO L93 Difference]: Finished difference Result 1310 states and 1865 transitions. [2022-12-14 05:29:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:29:25,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-12-14 05:29:25,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:25,475 INFO L225 Difference]: With dead ends: 1310 [2022-12-14 05:29:25,475 INFO L226 Difference]: Without dead ends: 1284 [2022-12-14 05:29:25,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:29:25,476 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 357 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:25,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 495 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 251 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 05:29:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-12-14 05:29:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1280. [2022-12-14 05:29:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 819 states have (on average 1.3174603174603174) internal successors, (1079), 837 states have internal predecessors, (1079), 341 states have call successors, (341), 118 states have call predecessors, (341), 119 states have return successors, (412), 334 states have call predecessors, (412), 332 states have call successors, (412) [2022-12-14 05:29:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1832 transitions. [2022-12-14 05:29:25,538 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1832 transitions. Word has length 34 [2022-12-14 05:29:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:25,539 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1832 transitions. [2022-12-14 05:29:25,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:29:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1832 transitions. [2022-12-14 05:29:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 05:29:25,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:25,539 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:29:25,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:29:25,540 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:25,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:25,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1712019421, now seen corresponding path program 1 times [2022-12-14 05:29:25,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:25,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533135723] [2022-12-14 05:29:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:25,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:29:27,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:29:27,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533135723] [2022-12-14 05:29:27,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533135723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:27,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:27,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:29:27,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195344072] [2022-12-14 05:29:27,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:27,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:29:27,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:29:27,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:29:27,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:29:27,819 INFO L87 Difference]: Start difference. First operand 1280 states and 1832 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:30,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:32,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:29:34,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:36,010 INFO L93 Difference]: Finished difference Result 1758 states and 2581 transitions. [2022-12-14 05:29:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:29:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-14 05:29:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:36,017 INFO L225 Difference]: With dead ends: 1758 [2022-12-14 05:29:36,017 INFO L226 Difference]: Without dead ends: 1750 [2022-12-14 05:29:36,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:29:36,018 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 742 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 282 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:36,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 732 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 515 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 05:29:36,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-12-14 05:29:36,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1280. [2022-12-14 05:29:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 819 states have (on average 1.3162393162393162) internal successors, (1078), 837 states have internal predecessors, (1078), 341 states have call successors, (341), 118 states have call predecessors, (341), 119 states have return successors, (412), 334 states have call predecessors, (412), 332 states have call successors, (412) [2022-12-14 05:29:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1831 transitions. [2022-12-14 05:29:36,120 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1831 transitions. Word has length 36 [2022-12-14 05:29:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:36,120 INFO L495 AbstractCegarLoop]: Abstraction has 1280 states and 1831 transitions. [2022-12-14 05:29:36,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:29:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1831 transitions. [2022-12-14 05:29:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 05:29:36,121 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:36,121 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:29:36,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:29:36,122 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:36,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:36,122 INFO L85 PathProgramCache]: Analyzing trace with hash 68786322, now seen corresponding path program 1 times [2022-12-14 05:29:36,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636813672] [2022-12-14 05:29:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:29:37,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:29:37,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636813672] [2022-12-14 05:29:37,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636813672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:29:37,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:29:37,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:29:37,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419455244] [2022-12-14 05:29:37,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:29:37,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:29:37,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:29:37,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:29:37,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:29:37,867 INFO L87 Difference]: Start difference. First operand 1280 states and 1831 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:29:40,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:42,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 05:29:44,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:29:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:29:44,709 INFO L93 Difference]: Finished difference Result 1852 states and 2751 transitions. [2022-12-14 05:29:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:29:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-14 05:29:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:29:44,716 INFO L225 Difference]: With dead ends: 1852 [2022-12-14 05:29:44,716 INFO L226 Difference]: Without dead ends: 1839 [2022-12-14 05:29:44,717 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 [2022-12-14 05:29:44,718 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 244 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:29:44,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 815 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 05:29:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2022-12-14 05:29:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1279. [2022-12-14 05:29:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 818 states have (on average 1.312958435207824) internal successors, (1074), 836 states have internal predecessors, (1074), 340 states have call successors, (340), 118 states have call predecessors, (340), 120 states have return successors, (420), 334 states have call predecessors, (420), 332 states have call successors, (420) [2022-12-14 05:29:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1834 transitions. [2022-12-14 05:29:44,793 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1834 transitions. Word has length 35 [2022-12-14 05:29:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:29:44,793 INFO L495 AbstractCegarLoop]: Abstraction has 1279 states and 1834 transitions. [2022-12-14 05:29:44,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:29:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1834 transitions. [2022-12-14 05:29:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 05:29:44,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:29:44,794 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:29:44,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:29:44,794 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:29:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:29:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 635970372, now seen corresponding path program 1 times [2022-12-14 05:29:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:29:44,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174066901] [2022-12-14 05:29:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:29:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:29:46,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:29:46,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174066901] [2022-12-14 05:29:46,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174066901] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:29:46,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394197769] [2022-12-14 05:29:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:29:46,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:29:46,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:29:46,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:29:46,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be759c9c-4c15-402d-85ab-51c5fb9e183f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:29:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:29:50,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 10159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:29:50,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:29:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:29:50,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:29:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:29:50,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394197769] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:29:50,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [366218265] [2022-12-14 05:29:50,715 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2022-12-14 05:29:50,715 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:29:50,718 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:29:50,722 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:29:50,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:29:53,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:53,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:54,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:55,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:55,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:55,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:29:55,994 INFO L321 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2022-12-14 05:29:55,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 52 [2022-12-14 05:29:56,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:56,802 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-12-14 05:29:56,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 22 case distinctions, treesize of input 77 treesize of output 157 [2022-12-14 05:29:56,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:56,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 79 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2022-12-14 05:29:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:29:57,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 85 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 235 [2022-12-14 05:29:57,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:57,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 49 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:58,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:29:59,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:00,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:01,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:02,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:03,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 53 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:04,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:05,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:06,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:07,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:07,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:07,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:07,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:07,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:08,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:08,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:08,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-12-14 05:30:08,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2022-12-14 05:30:08,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 05:30:08,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:09,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:09,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:09,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:09,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:09,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:10,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:11,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:11,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:11,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:11,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:11,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:12,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:12,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:12,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:12,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:12,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 49 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 53 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:13,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:14,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:14,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:14,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:14,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:14,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:15,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:16,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:16,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:16,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:16,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 49 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:16,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:17,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:17,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:17,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 48 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:17,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:17,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:18,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:18,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:18,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:18,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:19,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:19,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:19,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:19,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:19,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:20,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:20,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:20,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:20,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:21,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:21,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:21,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:21,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:21,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:22,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:22,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 56 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 05:30:43,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:30:46,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:31:18,844 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 4338 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:31:23,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:31:23,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:31:25,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:31:25,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 05:31:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:55,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:31:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:00,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:07,401 INFO L217 Elim1Store]: Index analysis took 15123 ms [2022-12-14 05:32:07,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:32:07,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:32:07,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:32:07,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:32:07,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:34:44,472 WARN L233 SmtUtils]: Spent 2.26m on a formula simplification. DAG size of input: 182 DAG size of output: 90 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:34:44,473 INFO L321 Elim1Store]: treesize reduction 733, result has 19.7 percent of original size [2022-12-14 05:34:44,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 181 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 11 case distinctions, treesize of input 67301 treesize of output 342 [2022-12-14 05:34:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:52,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:34:55,315 INFO L217 Elim1Store]: Index analysis took 10392 ms [2022-12-14 05:34:55,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:34:56,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:34:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:34:58,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:35:00,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:36:01,265 WARN L233 SmtUtils]: Spent 59.39s on a formula simplification. DAG size of input: 181 DAG size of output: 65 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:36:01,266 INFO L321 Elim1Store]: treesize reduction 316, result has 23.7 percent of original size [2022-12-14 05:36:01,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 37 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 126 case distinctions, treesize of input 262 treesize of output 343 [2022-12-14 05:36:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:09,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:12,526 INFO L217 Elim1Store]: Index analysis took 10945 ms [2022-12-14 05:36:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:36:18,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:36:18,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:36:18,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:36:18,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:38:36,016 WARN L233 SmtUtils]: Spent 2.29m on a formula simplification. DAG size of input: 192 DAG size of output: 143 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:38:36,017 INFO L321 Elim1Store]: treesize reduction 192, result has 56.2 percent of original size [2022-12-14 05:38:36,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 38 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 128 case distinctions, treesize of input 263 treesize of output 492 [2022-12-14 05:38:38,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:45,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:38:46,804 INFO L217 Elim1Store]: Index analysis took 10351 ms [2022-12-14 05:38:46,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:38:47,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:38:48,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:38:49,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:38:50,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:40:00,704 WARN L233 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 181 DAG size of output: 89 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:40:00,704 INFO L321 Elim1Store]: treesize reduction 268, result has 35.3 percent of original size [2022-12-14 05:40:00,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 37 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 126 case distinctions, treesize of input 264 treesize of output 393 [2022-12-14 05:40:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:08,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:40:09,903 INFO L217 Elim1Store]: Index analysis took 8784 ms [2022-12-14 05:40:15,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:40:15,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:40:15,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:40:15,205 INFO L173 IndexEqualityManager]: detected equality via solver